Answer:
a) We know that each season has 19 episodes, then is easy to complete the table, this will be:
\(\left[\begin{array}{cccccc}Seasons&1&2&3&4&5\\Episodes&19&19&19&19&19\end{array}\right]\)
b) We want to find an expression for the number of episodes in n seasons.
Let's call this expression f(n):
We know that each season has 19 episodes, then:
f(1) = 19
in two seasons we will have two times 19 episodes:
f(2) = 2*19 = 38
Already we can see the pattern:
for n seasons:
f(n) = n*19 where n = {0, 1, 2, 3, 4, 5}
A study of fox rabies in southern Germany gave information about different regions and the occurrence of rabies in each region. A random sample of 16 locations in Region 1 yielded a mean of 4.75 cases of rabies with a standard deviation of 2.8 cases. An independent sample of 15 locations in Region 2 yielded a mean of 3.93 cases with a standard deviation of 2.4 cases. If you want to test whether the average number of rabies cases in Region 1 is greater than the average number of rabies cases in Region 2, which is the appropriate Data Analysis tool
Answer:
Two independent sample t test
Step-by-step explanation:
The research described describes the statistics of two different samples which are also independent,
Sample 1 :
Sample size, n1 = 16
Mean, xbar = 4.75
Standard deviation s2 = 2.8
Sample 1 :
Sample size, n1 = 15
Mean, xbar = 3.93
Standard deviation s2 = 2.4
The hypothesis :
H0 : μ1 = μ2
H1 : μ1 ≠ μ2
The t statistic :
(xbar1 - xbar 2) ÷ sqrt[(s1²/n1 + s2²/n2)
From on the test statistic, obtain the p value and compare with Given α - value to make and conclude in a decision.
Experience has shown that a certain lie detector will show a positive reading (indicates a lie) 10% of the time when a person is telling the truth and 95% of the time when a person is lying. Suppose that a random sample of 5 suspects is subjected to a lie detector test regarding a recent crime. The probability of observing no positive reading if all suspects are telling the truth is: (a) 0.00 (b) 0.23 (c) 0.41 (d) 0.59 (e) 0.77
The probability of observing no positive reading if all suspects are telling the truth is d. 0.59. Probability theory is a branch of mathematics that is used to model and analyze random events.
Probability can be used to predict the likelihood of different outcomes in a wide range of situations, from games of chance to scientific experiments to everyday events. Probability is a measure of the likelihood of an event occurring. It is expressed as a number between 0 and 1, with 0 indicating that an event is impossible and 1 indicating that an event is certain.
To solve this problem, we need to calculate the probability of observing no positive readings given that all suspects are telling the truth, which is equal to the probability that all 5 suspects receive a negative reading on the lie detector test. Since the lie detector will show a positive reading 10% of the time when a person is telling the truth, the probability that a suspect will receive a negative reading when telling the truth is 1 - 10% = 90%. Therefore, the probability that all 5 suspects will receive a negative reading when telling the truth is:
(90%)^5 = (0.9)^5 = 0.59049.
The correct answer is therefore (d) 0.59.
Learn more about probability, here https://brainly.com/question/30034780
#SPJ4
??????????????????????????????
Answer:
2.3 years.
Step-by-step explanation:
Hope this helps! :D
By the way, Can I please have brainliest?
if the positive numbers from 1 to 116, inclusive, are written on a piece of paper, then the sum of all of the numbers that are written on the paper is
The sum of all the positive numbers from 1 to 116, inclusive, is 6350.
The sum of the first n positive integers can be found using the formula n(n+1)/2. In this case, n=116, so the sum of all the positive numbers from 1 to 116, inclusive, is 116 * 117 / 2 = 6350. This formula can be useful in a variety of mathematical and real-world applications, such as finding the total number of objects in a sequence or the total distance traveled by an object moving at a constant speed.
Learn more on Sum:
https://brainly.com/question/17695139
#SPJ4
Select the correct answer from each drop-down menu.
The coordinates of point G are ? . The Refelection of point G across x-axis and y-axis lies in quadrant ? , and the coordinates of that point are ? .
The coordinates of point G are G(1.5, -4) .
The Reflection of point G across x-axis and y-axis lies in quadrant 4 , and the coordinates of that point are G"(-1.5, 4)
How to find the coordinates of the graph?From the given graph, we can see the point located at the right bottom quadrant and the coordinates are: G(1.5, -4)
Now, the transformation rule for a Reflection of point G across x-axis is:
(x, y)→(x, -y)
The rule for a reflection over the y -axis is (x,y)→(−x,y)
Thus, the coordinates of G after both reflections is:
G"(-1.5, 4)
Now, the coordinate will lie in the top left quadrant of the graph.
Read more about Graph Coordinates at: https://brainly.com/question/11337174
#SPJ1
Express sin 152 as a function of the reference angle
-sin(28) is the reference angle of sin152.
What is Trigonometry?Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles.
The reference angle is the acute angle between the terminal side of the angle and the x-axis.
To find the reference angle, we can subtract 180 degrees from 152, since the reference angle is in the same quadrant as the original angle, and adding or subtracting 180 degrees gives an angle with the same sine value:
152 degrees - 180 degrees = -28 degrees
So, we can write:
sin 152 = sin(-28)
We know that the sine function is an odd function, which means that sin(-x) = -sin(x) for any angle x. Applying this to our expression, we get:
sin 152 = -sin(28)
Hence, we have expressed sin 152 as a function of the reference angle 28 degrees.
To learn more on trigonometry click:
https://brainly.com/question/25122835
#SPJ1
Si el volumen de una caja de cartón de forma cúbica es de 216 dm³
The volume of the cardboard box is approximately 13197.402 cubic inches.
The volume of a cardboard box is 216 dm³, we can convert it to the English system of measurements.
1 dm (cubic decimeter) is equivalent to 1 liter.
To convert dm³ to cubic inches, we can use the following conversion factors:
1 dm³ = 61.0237 cubic inches
Using this conversion factor, we can calculate the volume of the box in cubic inches:
The cube carton volume is 216 dm3 and the cube edge value is 6 dm.
The volume of the cube is calculated by dividing the edge values. In other words, volume = edge 3.
To find the edge (side) value, you can solve for the volume formula as follows:
edge 3 = volume.
edge = ∛ volume,
Where ∛ is the cube root.
Applying this formula to the given problem gives edge = ∛(216 dm³).
Edge = 6dm. Therefore, the side (edge) value of the cube is 6dm.
Volume (cubic inches) = 216 dm³ * 61.0237 cubic inches/dm³
= 13197.402 cubic inches
Question :- If the volume of a cubic cardboard box is 216 dm³
For more related questions on cardboard box:
https://brainly.com/question/28762570
#SPJ8
Help plz:)))I’ll mark u Brainliest
Answer:
11, 21, 31
Step-by-step explanation:
In a triangle with side lengths \(a\), \(b\), and \(c\), any two sides must have a sum larger than the third.
Using this rule, the possible side lengths out of these choices that could form a triangle are:
21,
11,
31
Mitch made a dot plot of the number of hours that students in his grade spent this week watching television. Use the data to choose true or false for each statement
Answer:
the first one is false
second one is True
Third one is false
fourth one is false
Step-by-step explanation:
I just looked at the chart please mark me brainlest answer
Answer:
the first one is false
second one is True
Third one is false
fourth one is false
Step-by-step explanation:
its right on envisions.
simplify cotø cosø tanø cscø
: 1+1=10 and that is why Texas history is really important for bob
What is the maximum of f(x)=sin(x)
Answer:
1
Step-by-step explanation:
The maximum of f(x) = sin(x) is 1. The sine function has a range of -1 ≤ sin(x) ≤ 1. The sine function oscillates between -1 and 1, reaching a maximum of 1 when x = π/2 and a minimum of -1 when x = -π/2. If you look at a graph of
y = sin(x) you can see this.
Answer: The Maximum Value of f(x)=sin(x) is 1 , when x=90°.
Step-by-step explanation:
Property of Sine function:
Sin(x)=0 when x=90°,180°,360°The maximum and Minimum value of Sin(x) is 1 and -1 respectively, when and x=270° respectively.The range of values of sin(x) is -1 to 1.Read more on the Sine function:
https://brainly.com/question/21902442
https://brainly.com/question/29529184
https://brainly.com/question/23214084
write an equation of the passing through point p that is perpendicular to the given line .
p(3,1) y= 1/3x -5
Answer:
y = -3x + 10
Step-by-step explanation:
slope of perpendicular line = -3
y-1 = -3(x-3)
y-1 = -3x + 9
y = -3x + 9 + 1
y = -3x + 10
the top of an electric pole is s supported by a wire of 26 ft long on the ground level. how far is tightened spot from the foot of the pole if its height is 24 ft?
Answer:
The tightened spot is 10 feet away from the foot of the pole.
Step-by-step explanation:
1. Draw the diagram. Notice that the shape of the electric pole and its supporting wire creates a right triangle.
2. We know 2 side lengths already (26ft, 24ft), and we need to find 1 more side length. Therefore, to find the 3rd side length of a right-triangle, utilize Pythagoras' Theorem.
⭐What is the Pythagoras' Theorem?
\((C)^2 = (A)^2 + (B)^2\)An equation to find a 3rd side lengthC = hypotenuseA = one legB = another leg3. Substitute the values of the side lengths into the equation, and solve for the unknown side length.
Let B= the distance from the tightened spot to the foot of the pole.
\((C)^2 = (A)^2 + (B)^2\)
\(26^2 = 24^2 + B^2\)
\(676 = 576 + B^2\)
\(100 = B^2\)
\(\sqrt{100} = \sqrt{(B)^2}\)
\(10 = B\)
∴ The tightened spot is 10 feet away from the foot of the pole.
Diagram:
can someone help me with this
Answer:
16 + 10 ÷ 2
Step-by-step explanation:
We adding 16 to 10. So, 16 + 10. We then divide it by two. So, it is 16 + 10 2
Nora has to buy party supplies and can spend no more than $50. Nora must buy 8
party favors, p, and she will also purchase a cake fore $10. Write an inequality that
represents the situation, and find possible solutions.
Answer:
50=10+c
Step-by-step explanation:
PLEASE HELP REWARDING A LOT
Answer:
(4,5)
Step-by-step explanation:
Explain with steps please and thank you! :)
Using the information in the given diagram, the value of the missing angle is: m∠1 = 75°
How to find the missing angle?The transverse line theorem states that If two parallel lines are cut by a transversal, then corresponding angles are congruent. Two lines cut by a transversal are parallel IF AND ONLY IF corresponding angles are congruent.
Now, when we draw a horizontal line parallel to lines a and b and directly cutting across the vertex of angle 1, we can see that angle 1 will be composed of two angles.
Now, for the transverse line theorem we can say that:
Angle 1 will be composed of two angles namely:
48 degrees and (180 - 153) degrees.
Thus:
m∠1 = 48° + 27°
m∠1 = 75°
Read more about Missing Angle at: https://brainly.com/question/28293784
#SPJ1
Does anyone know the answer to this ??
What is the sign of the product (–5)(–3)(–8)(–6)? Positive, because the products (–5)(–3) and (–8)(–6) are negative, and the product of two negative numbers is positive Positive, because the products (–5)(–3) and (–8)(–6) are positive, and the product of two positive numbers is positive Negative, because the products (–5)(–3) and (–8)(–6) are negative, and the product of two negative numbers is negative Negative, because the products (–5)(–3) and (–8)(–6) are positive, and the product of two positive numbers is negativeWhat is the sign of the product (–5)(–3)(–8)(–6)? Positive, because the products (–5)(–3) and (–8)(–6) are negative, and the product of two negative numbers is positive Positive, because the products (–5)(–3) and (–8)(–6) are positive, and the product of two positive numbers is positive Negative, because the products (–5)(–3) and (–8)(–6) are negative, and the product of two negative numbers is negative Negative, because the products (–5)(–3) and (–8)(–6) are positive, and the product of two positive numbers is negative
Answer:
The sign is positive.
Step-by-step explanation:
(-5)(-3)
= 15 (double negative)
15(-8)
=-120 (positive negative)
(-120)(-6)
= 720 (negative negative)
Therefore, the sign of the answer is positive.
Hope this helped!
Answer:
The sign is postive
Step-by-step explanation:
(-5)(-3)
= 15 (double negative)
15(-8)
=-120 (positive negative)
(-120)(-6)
= 720 (negative negative)
Molly used 192 beads to make a necklace AND a bracelet. It takes 5 times as many beads to make a necklace as it does a bracelet. How many beads are used to make the necklace?
Examining the word problem we can say that, Molly used 160 beads to make the necklace.
How to find the number of beadsLet's assume the number of beads used to make the bracelet is x.
We also know that Molly used a total of 192 beads for both the necklace and the bracelet. and It takes 5 times as many beads to make a necklace as it does a bracelet, So,
x + 5x = 192
6x = 192
solve for x
x = 192 / 6
x = 32
Molly used 32 beads to make the bracelet.
number of beads used to make the necklace
Number of beads used for the necklace = 5 * 32
Number of beads used for the necklace = 160
Learn more about word problems at
https://brainly.com/question/21405634
#SPJ1
A random sample of 16 ATM transactions shows a mean transaction time of 2.8 minutes with a standard deviation of 1.2 minutes. You need to test an alternate hypothesis mu < 2.96. What will be the p-values of your test?
The p-values of the test is given by p = -0.533
Given data ,
A random sample of 16 ATM transactions shows a mean transaction time of 2.8 minutes with a standard deviation of 1.2 minutes
Now , alternate hypothesis is mu < 2.96
where test statistic for a one-sample t-test is calculated as:
t = (x - μ) / (s / √n)
Where:
x = sample mean (2.8 minutes)
μ = hypothesized population mean (2.96 minutes)
s = sample standard deviation (1.2 minutes)
n = sample size (16)
Substituting the given values into the formula, we have:
t = (2.8 - 2.96) / (1.2 / √16)
t = (-0.16) / (1.2 / 4)
t = (-0.16) / (0.3)
t ≈ -0.533
And , we need to find the p-value associated with this test statistic. Since the alternative hypothesis is mu < 2.96, we are performing a one-tailed test
The p-value of the test is the probability of observing a test statistic as extreme as -0.533, assuming the null hypothesis is true
Hence , the p-value of the hypothesis is solved
To learn more about p-value click :
https://brainly.com/question/15980493
#SPJ1
The inclusion of seasonal dummy variables to a multiple regression model may help eliminate autocorrelation if the data are characterized by seasonal fluctuations. A. perfect multicollinearity. B. bias in OLS slope estimates caused by autocorrelation. C. near multicollinearity. D. All of the options are correct.
The correct option among the given is option B , bias in OLS slope estimates caused by autocorrelation.
In the presence of autocorrelation, as in the case of heteroscedasticity, the OLS estimators are still linearly unbiased, consistent, and asymptotically normally distributed, but they are no longer efficient (i.e., minimum variance).
A dummy variable is a binary variable with a value of either 0 or 1. Such variables are added to a regression model to represent binary factors, which are either observed or not observed.
A dummy variable can be used to indicate whether a data point possesses a specific property. A dummy variable, for example, can be used to indicate whether a car engine is 'Standard' or 'Turbo.' Or whether a participant in a drug trial is in the placebo or treatment groups.
To learn more about autocorrelation
https://brainly.com/question/29342466
#SPJ4
I need help with this one to by today
what is 8 & 3/4 x 3
(I need this today!)
3/4 x 3 = 9/4
Since you need to multiply first you add the 8 later after you solve the multiplication
8 9/4
Answer:
26 \(\frac{1}{4}\)
Step-by-step explanation:
8\(\frac{3}{4}\) = \(\frac{(8x4)+3}{4}\) = \(\frac{35}{4}\)
\(\frac{35}{4}\) x \(\frac{3}{1}\) = \(\frac{105}{4}\) = 26.25 = 26 \(\frac{1}{4}\)
someone please help me I am stuck on these 2 questions
…………………………………Answer:
Step-by-step explanation:
Nao and Arban drive to work.
Nao drives 95 miles in 2.5 hours.
Arban drives 128 km in 1 hour 15 min.
Work out the difference between their average speeds in km/h.
1 mile = 1.6 km
Thank You.
Answer:
41.6 km/h
Step-by-step explanation:
Nao drives 95mi/2.5hr or 38 miles per hour, or 60.8 km/h
1 hr 15 min is the same as 1.25 hours
Arban drives 128km/1.25hr or 102.4 km/h
The difference is 102.4-60.8 = 41.6
A survey found that women's heights are normally distributed with mean 63.6 in and standard deviation 2.5 in. A branch of the military requires women's heights to be between 58 in and 80 in.
a. Find the percentage of women meeting the height requirement. Are many women being denied the opportunity to join this branch of the military because they are too short or too tall?
b. If this branch of the military changes the height requirements so that all women are eligible except the shortest 1% and the tallest 2%, what are the new height requirements?
Answer:
(A)
Step-by-step explanation:
The survey follows of women's height a normal distribution.
The height of 98.51% of women that meet the height requirement are between 58 inches and 80 inches.
The new height requirements would be 57.7 to 68.6 inches
The given parameters are:
\mathbf{\mu = 63.5}μ=63.5 --- mean
\mathbf{\sigma = 2.5}σ=2.5 --- standard deviation
(a) Percentage of women between 58 and 80 inches
This means that: x = 58 and x = 80
When x = 58, the z-score is:
\mathbf{z= \frac{x - \mu}{\sigma}}z=
σ
x−μ
This gives
\mathbf{z_1= \frac{58 - 63.5}{2.5}}z
1
=
2.5
58−63.5
\mathbf{z_1= \frac{-5.5}{2.5}}z
1
=
2.5
−5.5
\mathbf{z_1= -2.2}z
1
=−2.2
When x = 80, the z-score is:
\mathbf{z_2= \frac{80 - 63.5}{2.5}}z
2
=
2.5
80−63.5
\mathbf{z_2= \frac{16.5}{2.5}}z
2
=
2.5
16.5
\mathbf{z_2= 6.6}z
2
=6.6
So, the percentage of women is:
\mathbf{p = P(z < z_2) - P(z < z_1)}p=P(z<z
2
)−P(z<z
1
)
Substitute known values
\mathbf{p = P(z < 6.6) - P(z < -2.2)}p=P(z<6.6)−P(z<−2.2)
Using the p-value table, we have:
\mathbf{p = 0.9999982 - 0.0139034}p=0.9999982−0.0139034
\mathbf{p = 0.9860948}p=0.9860948
Express as percentage
\mathbf{p = 0.9860948 \times 100\%}p=0.9860948×100%
\mathbf{p = 98.60948\%}p=98.60948%
Approximate
\mathbf{p = 98.61\%}p=98.61%
This means that:
The height of 98.51% of women that meet the height requirement are between 58 inches and 80 inches.
So, many women (outside this range) would be denied the opportunity, because they are either too short or too tall.
(b) Change of requirement
Shortest = 1%
Tallest = 2%
If the tallest is 2%, then the upper end of the shortest range is 98% (i.e. 100% - 2%).
So, we have:
Shortest = 1% to 98%
This means that:
The p values are: 1% to 98%
Using the z-score table
When p = 1%, z = -2.32635
When p = 98%, z = 2.05375
Next, we calculate the x values from \mathbf{z= \frac{x - \mu}{\sigma}}z=
σ
x−μ
Substitute \mathbf{z = -2.32635}z=−2.32635
\mathbf{-2.32635 = \frac{x - 63.5}{2.5}}−2.32635=
2.5
x−63.5
Multiply through by 2.5
\mathbf{-2.32635 \times 2.5= x - 63.5}−2.32635×2.5=x−63.5
Make x the subject
\mathbf{x = -2.32635 \times 2.5 + 63.5}x=−2.32635×2.5+63.5
\mathbf{x = 57.684125}x=57.684125
Approximate
\mathbf{x = 57.7}x=57.7
Similarly, substitute \mathbf{z = 2.05375}z=2.05375 in \mathbf{z= \frac{x - \mu}{\sigma}}z=
σ
x−μ
\mathbf{2.05375= \frac{x - 63.5}{2.5}}2.05375=
2.5
x−63.5
Multiply through by 2.5
\mathbf{2.05375\times 2.5= x - 63.5}2.05375×2.5=x−63.5
Make x the subject
\mathbf{x= 2.05375\times 2.5 + 63.5}x=2.05375×2.5+63.5
\mathbf{x= 68.634375}x=68.634375
Approximate
\mathbf{x= 68.6}x=68.6
Hence, the new height requirements would be 57.7 to 68.6 inches
Evaluate the surface integral ∫∫H4ydA where H is the helicoid (i.e., spiral ramp) given by the vector parametric equation
r⃗ (u,v)=⟨ucosv,usinv,v⟩, 0≤u≤1, 0≤v≤9π.
According to the given information, the value of the surface integral is 8/3.
What is surface area?The space occupied by a two-dimensional flat surface is called the area. It is measured in square units. The area occupied by a three-dimensional object by its outer surface is called the surface area.
According to the given information:The surface integral of a vector field F over a surface S is given by:
∬S F ⋅ dS = ∬R (F ⋅ ru × rv) dA
where R is the parameter domain of the surface S, ru and rv are the partial derivatives of the position vector r(u,v) with respect to u and v, and dA = ||ru × rv|| dudv is the area element on the surface.
In this case, we want to evaluate the surface integral:
∫∫H 4y dA
where H is the helicoid given by the vector parametric equation:
r(u,v) = <u cos(v), u sin(v), v>, 0 ≤ u ≤ 1, 0 ≤ v ≤ 9π.
The position vector r(u,v) has partial derivatives with respect to u and v given by:
ru = <cos(v), sin(v), 0>
rv = <-u sin(v), u cos(v), 1>
The area element is given by:
dA = ||ru × rv|| dudv = ||<cos(v), sin(v), u>| dudv = u dudv
Therefore, the surface integral can be written as:
\($\int\int_H 4y dA = \int_0^{9\pi} \int_0^1 4(u\sin v)u dudv$\\$= \int_0^{9\pi} \sin v \int_0^1 4u^2 du dv$\)
\($= \int_0^{9\pi} \sin v \left(\frac{4}{3}\right) dv$\\$= \left[-\frac{4}{3} \cos v\right]_0^{9\pi}$\)
= 8/3
Hence, According to the given information the value of the surface integral is 8/3.
To know more about surface area visit :
https://brainly.com/question/16519513
#SPJ1
Ali, Basti and Cian stand at three points A, B and C respectively. Suppose that the measure of angle ABC is 50 degrees , the measure of angle BAC is 60 degrees and Ali is exactly 150 ft away from Basti. Find the distance between Basti and Cian.
To find the distance between Basti and Cian, we can use the law of sines in triangle ABC. The law of sines states that the ratio of the length of a side to the sine of the opposite angle is constant for all sides and their corresponding angles in a triangle.
Let's label the distance between Basti and Cian as "x". We know that the measure of angle ABC is 50 degrees and the measure of angle BAC is 60 degrees. We also know that Ali is exactly 150 ft away from Basti.
Using the law of sines, we can set up the following equation:
sin(50°) / 150 = sin(60°) / x
To solve for "x", we can rearrange the equation:
x = (150 * sin(60°)) / sin(50°)
Using a calculator, we can evaluate the expression:
x ≈ (150 * 0.866) / 0.766
x ≈ 168.4 ft
Therefore, the distance between Basti and Cian is approximately 168.4 ft.
cos 2x= ___. Check all that apply.
A. sin² x - cos²x
B. 1-2 cos²x
C. 1-2 sin² x
D. 2 cos²x - 1
Answer:
C and D
Step-by-step explanation:
\(\cos(2x)\\=\cos(x+x)\\=\cos(x)\cos(x)-\sin(x)\sin(x)\\=\cos^2(x)-\sin^2(x)\\=\cos^2(x)-(1-\cos^2(x))\\=2\cos^2(x)-1 \,\,\,\,\,\,\,\,\,\,\leftarrow \text{Option D}\\=2(1-\sin^2(x))-1\\=2-2\sin^2(x)-1\\=1-2\sin^2(x)\,\,\,\,\,\,\,\,\,\,\,\leftarrow \text{Option C}\)