a) The value of k for the systematic sample is given as follows: k = 114.
b) The individuals are: 1, 2, 3, 4, 5.
What is systematic sample?In a systematic sample, every kth element of the sample out of a sample of n elements is taken.
In this problem, we have a total of 5705 employees, and want a systematic sample of 50 employees, hence the value of k is obtained as follows:
k = 5705/50 = 114.
(rounding the value down to the nearest integer, we just divide the number of people by the sample size to obtain the value of k).
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In Tableau, a(n) ________ allows a visualization developer or
user to dynamically remove rows from the visualization
a) Filter
b) calculated field
c) parameter
d) table calculation
In Tableau, a filter allows a visualization developer or user to dynamically remove rows from the visualization. Thus, Option A is the answer.
What is Tableau?
Tableau is an interactive and intuitive data visualization tool that enables people to see and understand data. It provides a variety of data exploration, modelling, and visualization options. Tableau is one of the best data visualization software available in the market. It provides an easy way to integrate data from various sources. With Tableau, you can easily create interactive and visually appealing charts, graphs, and other types of visualizations that are easy to understand and interpret.
What is a filter?
In Tableau, a filter is a tool that allows you to selectively display data from a larger dataset based on certain conditions. Filters help you to narrow down your data to the most relevant information so you can make better decisions based on your analysis. Filters can be applied to different dimensions and measures to help you get a better view of your data. Tableau allows you to filter your data using various types of filters such as categorical, continuous, and relative filters. You can also create custom filters using calculated fields and parameters.
A filter allows a visualization developer or user to dynamically remove rows from the visualization. Therefore, the correct option is (a) Filter.
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Find the sum of the arithmetic sequence.
-10, -7, -4, -1, 2, 5, 8
Answer:
s7= -7
Step-by-step explanation:
Fred sold 14 rolls of wrapping paper for a band fundraiser earning the band $17. 50. Sharon sold 16 rolls of wrapping paper and earned $20. 00 for the band. If this relationship is graphed with the number of rolls sold on the x-axis and the money earned on the y-axis, what is the slope of the graph in dollars per roll?.
Answer: $1.25 Per Roll
Step-by-step explanation:
(14,17.50) and (16,20)
What is definition of a singularity?
The Singularity is the point at which a function is not defined or where it is not well-behaved .
In Calculus, the Singularity is defined as a point where a function or its derivative is not defined .
For example, the function ⇒ f(x) = 1/x has a singularity at "x = 0" because it is not defined at that point.
Similarly, the function ⇒ g(x) = 1/(x-1) has a singularity at "x = 1" because it approaches ∞ as x approaches 1.
In the Differential Equations, the Singularity is the point where the solution to the equation is not well-defined.
For example, the differential equation ⇒ y'' + y = 0 has a singularity at "y = 0" because the solution is not well-defined at that point.
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to graph an exponential, you need to plot a few points, and then connect the dots and draw the graph. where do you come up with the values to use in the graph
When graphing an exponential function, a T-chart is commonly used to determine the values. The correct answer is option A.
The T-chart employs positive real numbers since this is the most typical form of exponential function.
Exponential functions are utilized to represent processes that increase or decrease exponentially, as well as to model phenomena in many different disciplines, including science, economics, and engineering.
The exponential function can be represented by the following equation:
\(y=a^x\), where a is the base, x is the exponent, and y is the outcome.
When a is a positive number greater than one, the function is called exponential growth, while when a is a fraction between 0 and 1, the function is called exponential decay.
The T-chart is used to determine the values to use in the graph and connect the dots as required. Positive real numbers are used as the values in the T-chart in order to effectively graph the exponential function.
Therefore, the correct answer is option A.
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Assuming that the value of x is 4, and the value of y is 6, what is the value of the following expression? (x - y)**2 > y. a. True. b. Undefined. c. False.
Answer:
c. False
Step-by-step explanation:
We know:
x = 4
y = 6
Lets plug in our values
\((4-6) \times 2 > 6\)
Subtract in parentheses
\(-2\times 2 > 6\)
Multiply
\(-4 > 6\)
This statement is false, so c is correct.
In the following set of data, which number is an outlier?
2.88, 2.95, 3.01, 2.77, 2.01, 3.05, 2.79, 2.88, 2.82
Answer:
2.01
Step-by-step explanation:
if you were to graph all of the points, 2.01 would be far away and "outlying" all the other numbers
Mark is going to build a rectangular flower box to plant vegetables. The flower
box he is designing will not need a top in order for the flowers to grow. He will
purchase wood to build the planter with a length of 12 feet, a width of 6 feet,
and a height of 3 feet. When Mark determines the number of cubic feet of soil
to fill the planter half-full, which formula should he use: surface area or
volume? How many cubic feet of soil does he need to fill the planter half-full?
376
NOTES:
1) There are two questions here so you should have two answers.
2) There is a trick detail in the question that you will need consider in order to
answer the second question.
Mark should use the volume formula to determine the number of cubic feet of soil needed to fill the planter half-full. To fill the planter half-full, he would require 18 cubic feet of soil.
In order to determine the amount of soil needed to fill the planter half-full, Mark should use the volume formula. The volume of a rectangular box is calculated by multiplying its length, width, and height. In this case, the length of the planter is 12 feet, the width is 6 feet, and the height is 3 feet. By multiplying these dimensions together (12 x 6 x 3), Mark can find the total volume of the planter, which is 216 cubic feet.
However, the question specifies that Mark needs to fill the planter only half-full. Therefore, he would require half of the calculated volume, which is 216 cubic feet divided by 2, resulting in 108 cubic feet. Therefore, Mark needs 108 cubic feet of soil to fill the planter half-full.
It's worth noting that the trick detail mentioned in the question is the requirement for the planter to be half-full. This means Mark needs to consider only half of the total volume when calculating the amount of soil required.
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petit high school has one thousand two hundred and fifty-two learners.the number of girls is three times more than the number of boys.how many girls are at petit high school
Answer:
939 girls
Step-by-step explanation:
Let us start by writing an equation. We can set the number of boys as x, and the number of girls as 3x since the number of girls is three times the number of boys:
Step 1, writing an equation:
\(1252=3x+x\)
We will assume in this case, that the number of girls plus the number of boys adds up to the total number of learners at Petit High School
Step 2, solving the equation:
We can simplify the above equation and isolate the term containing x.
\(1252=4x\\x=313\)
Step 3, determining values:
We know that we set # of boys as x and we have just solved for x. Therefore, there are 313 boys in the high school. We have set # of girls as 3x, so \(3*313=939\) girls in the high schoolThere are \(\fbox{939}\) girls at Petit High School.
I hope this helps! Let me know if you have any questions :)
Approximate the zeros of F to the nearest tenth
The zeroes of the quadratic function f is approximately about -3.303 and 0.303.
Given a function,
f(x) = x² + 3x - 1
The zeroes of the function is the points where the graph touches the X axis.
In graph, it is approximately 0.3 and -3.3.
We can find theoretically using the quadratic formula to the function.
Using the quadratic formula,
x = [-3 ± √(9 - -4) ] / 2
= (-3 ± √13) / 2
= -3.303, 0.303
Hence the zeroes are about -3.303, 0.303.
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Measure QRN when Measure MNR = 52 degrees
Answer:
QRN=128°
Step-by-step explanation:
MNR+RNP = 180
52 + RNP = 180
RNP= 180 - 52
RNP = 128° = QRN
Or MNR= QRL = 52
QRL= NRS = 52 —> Opposite angles
QRN+NRS=180
QRN+52=180
QRN=180-52
QRN=128
I hope I helped you^_^
please help asap
Find the volume of this cone.
Use 3 for TT.
5in
V =
Answer:
V=πr2h /3
V=πr2h /3=π·2.52·8 /3≈52.35988
so the volume is 52.36 inches
Help me with this please!!!!!!
Answer:
The answer is 8.54
A side of the triangle below has been extended to form an exterior angle of 158°. Find the value of x.
Answer:
x =22
Step-by-step explanation:
158 and x from a straight line so they add to 180
158+x = 180
x = 180-158
x =22
If we like to study of temperature (100F, 150F, and 200F) on the strength of steel bar with 0.05 alpha, then
which one is the correct one? Choose all applied.
a. Levene test is to check that sample variances are same or not.
b. # of Shapiro tests to do is 3.
c. Shapiro test is to check that data is from a normal distribution.
d. # of Levene tests to do is only 1.
The correct options for the given statement are:
a. Levene test is to check that sample variances are the same or not.
c. Shapiro test is to check that the data is from a normal distribution.
Levene's test is a statistical test that is used to determine whether the variance is homogeneous across the groups that are being compared.
Homogeneity of variance is the assumption that is required to run some statistical analyses.
In other words, Levene's test checks that the samples' variances are equal or not.
The p-value obtained from this test should be greater than the significance level (0.05).
Shapiro-Wilk's test is a statistical test that is used to determine whether the data is from a normal distribution or not.
A normal distribution is required for some statistical analyses. Shapiro-Wilk's test provides a W statistic and a p-value.
If the p-value is less than 0.05, then we reject the null hypothesis and conclude that the data is not from a normal distribution.
So, we have to perform the Shapiro test thrice for the data of 100F, 150F, and 200F. Therefore, options a and c are correct.
The option "d. # of Levene tests to do is only 1" is incorrect as we have to perform Levene's test thrice for the data of 100F, 150F, and 200F.
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Use the quadratic formula to find all degree solutions and θ if 0° ≤ θ < 360°. Use a calculator to approximate all answers to the nearest tenth of a degree. (Enter your answers as a comma-separated list. If there is no solution, enter NO SOLUTION.) cos2 θ + cos θ − 1 = 0 (a) all degree solutions (Let k be any integer.) θ = (b) 0° ≤ θ < 360° θ =
Answer:
\( \theta = 51.8^\circ \) or \( \theta = 308.2^\circ \)
Step-by-step explanation:
\( \cos^2 \theta + \cos \theta − 1 = 0 \)
\( x = \dfrac{-b \pm \sqrt{b^2 - 4ac}}{2a} \)
\( \cos \theta = \dfrac{-1 \pm \sqrt{1^2 - 4(1)(-1)}}{2(1)} \)
\( \cos \theta = \dfrac{-1 \pm \sqrt{1 + 4}}{2} \)
\( \cos \theta = \dfrac{-1 \pm \sqrt{5}}{2} \)
\( \cos \theta = 0.61803 \) or \( \cos \theta = -1.61803 \)
The range of the cos θ function excludes θ = -1.61803, so we discard that solution.
\( \theta = 51.8^\circ \) or \( \theta = 308.2^\circ \)
heres 86 points just put what ever you want for the answer
Answer:
hi
Step-by-step explanation:
thx for the points
:)
Answer:
hi
Step-by-step explanation:
REINFORCE Tickets to the zoo cost $18 for adults and $8.25 for children. One day, the zoo sold 2,300 tickets and collected $30,168 in ticket sales. How many children and how many adults attended the zoo that day? Write a system and solve it by graphing. Be sure to sketch you graph, give the solution, and define your variables.
Given:
The cost of adults ticket = $18
The cost of children's ticket = $8.25
Total tickets = 2300
Total revenue = $30,168.
To find:
The number of children and number of adults attended the zoo that day.
Solution:
Let x be the number of children and y be the number of adults.
Equation for tickets: \(x+y=2300\) ...(i)
Equation for revenue: \(18x+8.25y=30168\) ...(ii)
Plot the graphs of the given equations on a coordinate plane as shown below.
From the graph it is clear that the graph of both equations intersect each other at (1148,1152).
It means the number of adults is 1148 and the number of children is 1152.
It can be solved algebraically as shown below:
Substitute the value of y in (ii) from (i).
\(18x+8.25(2300-x)=30168\)
\(18x+18975-8.25x=30168\)
\(9.75x=30168-18975\)
\(9.75x=11193\)
Divide both sides by 9.75.
\(x=\dfrac{11193}{9.75}\)
\(x=1148\)
Putting \(x=1148\) in (i), we get
\(1148+y=2300\)
\(y=2300-1148\)
\(y=1152\)
Therefore, the number of adults is 1148 and the number of children is 1152.
what is the range of this data set?
Answer:
Range = 3.3
Step-by-step explanation:
Range = Max value - Min value
Max value = 100.1
Min Value = 96.8
Range = 100.1 - 96.8
Range = 3.3
a club has 24 members and 13 pledges. a president, vice-president, and secretary are selected from the members, and a pledge chairman and pledge vice chairman are selected from the pledges. in how many ways can these five officers be selected?
The number of ways in which we can selected these 5 officers are 157,872.
This is a question of permutations and combinations.
Given that:-
Number of members in the club = 24
Number of pledges in the club = 13
We have to find the number of ways in which we can selected these 5 officers.
We know that:-
Number of ways of selecting a president, vice-president, and secretary from the members = \(^{24}C_3=2024\)
Number of ways of selecting a pledge chairman and pledge vice chairman from the pledges = \(^{13}C_2=78\)
Hence, number of ways of selecting 5 officers are 2024*78 = 157,872.
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Enter the pair of fractions as a pair of fractions with a common denominator denominator:1/2 and 2/5
ANSWER
5/10 and 4/10
EXPLANATION
We want to enter fractions given as a pair of fractions that have the same denominator.
The fractions given are:
1/2 and 2/5
To do that, we have to first find the lowest common multiple of the two denominators.
The denominators are:
2 and 5
Their lowest common denominator is 10, since it is the smallest number which is divisible by both numbers.
To put the first fraction in terms of a denominator of 10, we have to multiply the numerator and denominator by 5.
That is:
\(\frac{1\cdot\text{ 5}}{2\cdot\text{ 5}}\text{ = }\frac{5}{10}\)To put the second fraction in terms of a denominator of 10, we multiply the numberator and denominator by 2.
That is:
\(\frac{2\cdot\text{ 2}}{5\cdot\text{ 2}}\text{ = }\frac{4}{10}\)Therefore, the two fractions in terms of a common denominator are 5/10 and 4/10.
how many terms are there in the expansion of (x y)109 after like terms are collected?
The expansion (x + y)¹⁰⁹ will have 110 terms after like terms are collected.
Here we are asked to find the expansion of (x + y)¹⁰⁹ after like terms are collected.
Now for any binomial expression,
(a + b)ⁿ = ∑ ⁿCₓ aⁿ⁻ˣ bˣ where, x runs from 0 to n
Hence we get,
ⁿC₀ aⁿ + ⁿC₁ aⁿ⁻¹b + .... + ⁿCₙ₋₁ abⁿ⁻¹ + ⁿCₙ bⁿ
Here we can clearly see that there are n + 1 terms in the expansion.
This can also be proved by
(a + b) = a + b
(a + b)² = a² + b² + 2ab
(a + b)³ = a³ + 3a²b + 3ab² + b³
Hence we can see that all have n + 1 terms.
Hence
(x + y)¹⁰⁹ will have 109 + 1 = 110 terms
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Complete Question
how many terms are there in the expansion of (x + y)¹⁰⁹ after like terms are collected?
A
distribution is a distribution of sample means.
O A. uniform
• B. normal
• C. sampling
© D. sample
Answer:
C
Step-by-step explanation:
I believe this is the best answer.
Which parameter should you use with the fsck command to view the list of unmounted filesystems?
The "-N" parameter is a useful option for quickly viewing information about unmounted file systems with the fsck command.
The fsck command is a powerful tool for checking and repairing file systems in Unix-like operating systems, including Linux. One of the useful features of the fsck command is the ability to view information about unmounted filesystems without actually making any changes to them. This can be helpful in situations where you want to check the health of a filesystem or diagnose issues without risking data loss.
To view the list of unmounted filesystems using the fsck command, you can use the "-N" or "--no-action" parameter. This parameter tells fsck to only show what it would do if it were run without actually making any changes to the filesystem.
For example, suppose you have a hard drive with several partitions, some of which are unmounted. To view a list of the unmounted filesystems on the hard drive, you could run the following command:
sudo fsck -N /dev/sda
In this command, "/dev/sda" refers to the entire hard drive. The "-N" parameter tells fsck to only simulate a check on the filesystem without actually making any changes. As a result, fsck will display a summary of each unmounted filesystem on the hard drive, including its type, size, and location.
Overall, the "-N" parameter is a useful option for quickly viewing information about unmounted filesystems with the fsck command. Whether you're troubleshooting a system issue or performing routine maintenance, this option can help you identify potential problems before they escalate into more serious issues.
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4-5x=1+6x please help
Answer:
11x = 3 (i think)
Step-by-step explanation:
Answer:
x = 3/11
Step-by-step explanation:
4-5x=1+6x
4 - 11x = 1
-11x = -3
x = 3/11
24687abc is divisible by 125. what is the sum of the digits of all possible values of ‘a’?
To find the sum of the digits of all possible values of 'a', we need to add the sum of the digits of each value of abc. The sum of the digits for all possible values of a would be 8 + 7 + 15 + ... + 27, which can be calculated further.
The divisibility rule for 125 states that a number is divisible by 125 if the last three digits are divisible by 125. In the case of 24687abc, we know that the last three digits (abc) must be divisible by 125. This means that abc must be a multiple of 125. The smallest multiple of 125 is 125, and the largest is 999, so the possible values of abc are 125, 250, 375, 500, ..., 999.
The sum of the digits of each possible value of a can be calculated by adding the individual digits of each value of abc. For example, for the value 125, the sum of the digits is 1 + 2 + 5 = 8. For the value 250, the sum of the digits is 2 + 5 + 0 = 7. For the value 375, the sum of the digits is 3 + 7 + 5 = 15.
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subset the data set to include only x2, x3, and x4. how many missing values are there in these three variables?
The subset of the data set with x2, x3, and x4 would include 6 missing values.
The subset of the data set with x2, x3, and x4 would include 6 missing values.
1. Subset the data set to include only x2, x3, and x4.
2. Count the number of missing values in each variable.
3. Add the number of missing values for each variable together.
4. The total number of missing values in these three variables is 6.
The subset of the data set with x2, x3, and x4 would include 6 missing values.
Subset the data set to include only x2, x3, and x4.
The complete question is :
Subset the data set to include only x2, x3, and x4. How many missing values are there in these three variables?
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Thirty samples of size 4 of the customer waiting time at a call center for a health insurance company resulted in an overall mean of 10.4 minutes and average range of 0.9 minutes . Compute the control limits for x and r charts.
the control limits for the x-bar chart are 9.7439 minutes (LCL) and 11.0561 minutes (UCL), and the control limits for the R chart are 0 minutes (LCL) and 2.0529 minutes (UCL).
To compute the control limits for the x-bar (mean) and R (range) charts, we'll use the following formulas:
For the x-bar chart:
Upper Control Limit (UCL) for x-bar = x-double-bar + A2 * R-bar
Lower Control Limit (LCL) for x-bar = x-double-bar - A2 * R-bar
For the R chart:
Upper Control Limit (UCL) for R = D4 * R-bar
Lower Control Limit (LCL) for R = D3 * R-bar
Where:
x-double-bar = Overall mean of the sample means
R-bar = Overall mean of the sample ranges
A2 = Constant from the control chart constants table
D4 = Constant from the control chart constants table
D3 = Constant from the control chart constants table
For sample sizes of 4, the control chart constants are as follows:
A2 = 0.729
D4 = 2.281
D3 = 0
Given the information you provided:
Overall mean (x-double-bar) = 10.4 minutes
Average range (R-bar) = 0.9 minutes
Let's calculate the control limits:
For the x-bar chart:
UCL for x-bar = 10.4 + 0.729 * 0.9
= 10.4 + 0.6561
= 11.0561 minutes
LCL for x-bar = 10.4 - 0.729 * 0.9
= 10.4 - 0.6561
= 9.7439 minutes
For the R chart:
UCL for R = 2.281 * 0.9
= 2.0529 minutes
LCL for R = 0
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Write the following using algebraic notation, using the letter x for any unknown numbers:
i think of a number, halve it, then subtract four.
Answer:
1/2x-4
Step-by-step explanation:
Since we don't know the number (unknown) we simplify it as a variable, x.
Then since you're taking half of x, place 1/2 next to x. Finally subtract 4, and it concludes to 1/2x-4.
Please answer CORRECTLY !!!!!!!!! Will mark BRIANLIEST !!!!!!!!!!
Answer:
(x+6) (x+6)
Step-by-step explanation:
x^2 + 12x+36
What 2 numbers multiply to 36 and add to 12
6*6 = 36
6+6 =12
(x+6) (x+6)
Answer:
\((x + 6)(x + 6)\)
Step-by-step explanation:
\(36 + 12x + {x}^{2} \\ {x}^{2} + 12x + 36 \\ {x}^{2} + 6x + 6x + 36 \\ x(x + 6) + 6(x + 6) \\ = (x + 6)(x + 6)\)
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