Please help me with this one I rly need it.ill give you Brainly if I can. 567/9

i think i is 56 do you have answer choices?

Answer:

Step-by-step explanation:

The loop will run an infinite number of times

The standard error in the distribution of sample means, assuming a sample size of 30, is approximately 0.71.

To calculate the standard error in the distribution of sample means, you need the standard deviation of the population and the sample size. The standard error represents the average deviation of sample means from the population mean.

Given that the mean of the differences in word counts is -6.96 and the standard deviation is 3.88, these values pertain to the population of differences in word counts.

To calculate the standard error, you also need to know the sample size. Let's assume the sample size is denoted by "n."

The formula to calculate the standard error is:

Standard Error = Standard Deviation / √(Sample Size)

In this case, the standard deviation is 3.88, and the sample size is denoted by "n." Since the sample size is not given, I'll assume a sample size of 30 for illustration purposes.

Standard Error = 3.88 / √(30)

Calculating this expression:

Standard Error ≈ 0.707

Rounding to two decimal places, the standard error in the distribution of sample means is approximately 0.71.

Please note that the calculation of the standard error requires the sample size, which is missing in your question. The value of the standard error may vary depending on the actual sample size used.

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Answer:

= a(7b + 1)

Step-by-step explanation:

7ab + a

a(7b + 1).

The expansion of the function f = y'x + x'z with respect to x yields (x + y')(x + z'), and the expansion with respect to y gives (x' + y)(x + z').

(a) To expand the function f = y'x + x'z with respect to x, we use the distributive property and apply De Morgan's law to simplify the expression:

f = y'x + x'z

  = x'y + x'z

  = (x'y)'(x'z)'    [Using De Morgan's law]

  = (x + y')(x + z')   [Using De Morgan's law again]

(b) Designing the function using a 2-to-1 multiplexer for the case of expanding f with respect to x involves using the inputs x, y, and z as the select lines of the multiplexer. The inputs x + y' and x + z' will be connected to the data inputs of the multiplexer, and the output of the multiplexer will be the expanded function f.

(c) Similarly, for expanding f with respect to y, the expansion is:

f = y'x + x'z

  = xy' + x'z

  = (xy')'(x'z)'    [Using De Morgan's law]

  = (x' + y)(x + z')   [Using De Morgan's law again]

For this case, the inputs x', y, and z will serve as the select lines of the 2-to-1 multiplexer. The inputs x' + y and x + z' will be connected to the data inputs, and the output of the multiplexer will represent the expanded function f.

In both cases, the 2-to-1 multiplexer is used to implement the logic function by selecting the appropriate data inputs based on the select lines, which are derived from the expansion of the function with respect to the corresponding variable.

In conclusion, the expansion of the function f = y'x + x'z with respect to x yields (x + y')(x + z'), and the expansion with respect to y gives (x' + y)(x + z'). By utilizing 2-to-1 multiplexers, the expanded functions can be designed by connecting the appropriate data inputs to the multiplexer based on the select lines derived from the expansions. This allows for the implementation of the logic functions using multiplexers, providing a compact and efficient circuit design.

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The fractional equivalent of the repeating decimal 0.2 is 2/9

From the question, we have the following parameters that can be used in our computation:

Repeating decimal = 0.2

Represent properly

So, we have

Repeating decimal = 0.2222

Express as fraction

So, we have

Fraction = 2/(10 - n)

In this case

n = 1

So, we have

Fraction = 2/(10 - 1)

Evaluate

Fraction = 2/9

Hence, the fractional equivalent is 2/9

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Solution

- The question would like us to solve the following inequality:

- The solution is given below:

- Thus, we need to put the solution in both Set-builder notation and Interval notation. This is done below:

Set-builder notation:

Interval notation:

Answer:

9

Step-by-step explanation:

I think you may be in the wrong level.

Division is one of the four fundamental arithmetic operations. The number of friends to whom Tyrell distributed cards is 9.

The division is one of the four fundamental arithmetic operations, which tells us how the numbers are combined to form a new one.

Given that Tyrell gave 3 packs of baseball cards to his friends, while he gave each friend 1/3 of a pack. Therefore, the number of friends to whom Tyrell distributed cards can be found by dividing the total number of a deck of cards that Tyrell has by the number of cards that each of Tyrell's friends will have.

Thus, the number of friends to whom Tyrell distributed cards is,

Number of friends

= Total number of decks/ Cards each friend gets

= 3 packs / (1/3) packs per friend

= (3×3)/1 friends

= 9 friends

Hence, the number of friends to whom Tyrell distributed cards is 9.

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90% confident the proportion of adults in the country aged 18 and older who have donated blood in the past two years in between 0.162 and 0.188.

The confidence interval is the range of values that you expect your estimate to fall between a certain percentage of the time if you run your experiment again or re-sample the population in the same way.

Given that, a survey of 2325 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 415 have donated blood in the past two years.

We know that, standard error = √(p(1-p)/n))

Where p = original sample proportion and n = sample size

Here, standard error = √(0.175(1-0.175)/2325)) = 0.00789

By using z table

To find the lower and upper bounds of the interval, we simply multiply the z value by the standard error. We then add it to the base proportion for the upper bound, and subtract it for the lower bound, as shown below:

Upper bound = 0.175 + (1.65)(0.00789) = 0.188

Lower bound = 0.175 - (1.65)(0.00789) = 0.162

Therefore, 90% confident the proportion of adults in the country aged 18 and older who have donated blood in the past two years in between 0.162 and 0.188.

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The point estimate of the proportion of the population that would provide yes responses can be calculated by dividing the number of yes responses in the random sample by the size of the sample.

Therefore, the point estimate is 150/500 = 0.30 or 30% (to 2 decimals). It's important to note that this estimate is based on a random sample and may differ from the actual proportion of the population.

Step 1: Identify the number of yes responses (150) and the total number of individuals in the sample (500).

Step 2: Calculate the proportion by dividing the number of yes responses by the total number of individuals in the sample. In this case, it would be 150 divided by 500.

Step 3: Convert the proportion to a decimal by performing the division. This will give you 0.3.

Step 4: Round the decimal to 2 decimal places, as requested. In this case, 0.3 is already rounded to two decimal places.

So, the point estimate of the proportion of the population that would provide yes responses is 0.30 (to 2 decimals), based on the random sample provided.

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Answer:

Y=-1/2x+1

Step-by-step explanation:

The standard form of the given equation is 5x - 4y = -3.

What is a standard form of an equation?

The standard form for linear equations in two variables is Ax+By=C.

What is a slope intercept form?

The slope-intercept form is the way to write a line's equation so that the y-intercept (where the line crosses the vertical y-axis) and slope (steepness) are instantly visible. This form is frequently known as the y = mx + b form.

Here, we have

y = 5/4x+3/4

we have to convert this equation into standard form

y - 5/4x = 3/4

y - 5/4x - 3/4 = 0

4y - 5x - 3 = 0

4y - 5x = 3

5x - 4y = -3

Hence, the standard form of the given equation is 5x - 4y = -3.

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Answer: 12

Step-by-step explanation:

106.80/8.90 =12

The probability that both randomly chosen people own a dog can be calculated using the concept of independent events. If 18% of people own dogs, it means that the probability of a person owning a dog is 0.18.

When picking the first person, there is a 0.18 probability that they own a dog. Now, assuming replacement (putting the person back before picking the second person), the probability that the second person also owns a dog is also 0.18.

To find the probability of both events occurring, we multiply the individual probabilities together: 0.18 * 0.18 = 0.0324.

Therefore, the probability that both randomly chosen people own a dog is 0.0324, which is equivalent to 3.24%. This means that if we were to repeat this random selection process many times, we would expect approximately 3.24% of the time to end up with two dog owners.

It's important to note that this calculation assumes independence between the events and replacement, meaning the probability of one person owning a dog does not affect the probability of the other person owning a dog.

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By using probability density function, the probability that a rider will wait for not more than 1 minute is 0.2

A probability density function, also known as the density of a continuous random variable in probability theory, is a function whose value at any given sample in the sample space can be interpreted as providing a relative likelihood that the random variable's value will be close to that sample.

Given,

The waiting time of elevator is uniformly distributed between 30 and 180 seconds.

We need to determine the probability that a rider will wait for not more than 1 minute i.e. 60 seconds.

For the given data, the probability density function(p.d.f) can be written as ,

\(f(x)=\left \{ {{\frac{1}{b-a},\ a < x < b} \atop {0,\ otherwise} \right. \\\\f(x)=\left \{ {{\frac{1}{180-30},\ 30 < x < 180} \atop {0,\ otherwise} \right\\\\f(x)=\left \{ {{\frac{1}{150},\ 30 < x < 180} \atop {0,\ otherwise} \right\)

So, the probability that rider will wait for not more than 60 seconds is

\(p(x < 60)=\int\limits^{60}_{0} f(x)dx\\\\p(x < 60)=\int\limits^{60}_{30}\frac{1}{150}dx\\\\p(x < 60)=\frac{1}{150}[x]\limits^{60}_{30}\\\\p(x < 60)=\frac{60-30}{150}\\\\p(x < 60)=\frac{30}{150}\\\\p(x < 60)=0.2\)

Hence, the probability is 0.2

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The task involves modifying the given code to implement binary search on an array in descending order. The logic of the code needs to be adjusted accordingly.

The task requires modifying the existing code to perform binary search on an array sorted in descending order. In the original code, the logic for the ascending order was based on comparing the key with the middle element of the list. However, in the descending order case, we need to adjust the logic.

To implement binary search on a descending array, we need to swap the order of the conditions in the code. Instead of checking if the key is less than the middle element, we need to check if the key is greater than the middle element. Similarly, the condition for equality also needs to be adjusted.

The modified code for binary search in descending order would look like this:

public static int binarysearch2(int[] list, int key) {

   int low = 0;

   int high = list.length - 1;

   while (high >= low) {

       int mid = (low + high) / 2;

       if (key > list[mid])

           high = mid - 1;

       else if (key < list[mid])

           low = mid + 1;

       else

           return mid;

   }

   return -1; // Not found

}

By swapping the conditions, we ensure that the algorithm correctly searches for the key in a descending ordered array.

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The missing weight is 8.8 (option d).

The missing weight in the list of weights of newborn babies can be determined by finding the median weight. The median weight is the middle value when the weights are arranged in ascending order.

Given that the median weight is 8.6, we can compare it with the given weights to find the missing weight.

Comparing 8.6 with the given weights, we see that 8.6 is greater than 8.1 and 8.4, but less than 8.8 and 8.9.

Therefore, the missing weight is 8.8 (option d).

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Answer:

-1<X<2

Step-by-step explanation:

i think this is correct

Answer:

Step-by-step explanation:

Given

X+Y=4 -i

2X+Y=3 -ii

solving 1

X=4-Y -iii

equating eq iii and eq ii

2(4-y)+y=3

8-2y+y=3

-1y=3-8

-1y=-5

y=5

equating value of y in eq iii

x=4-y

x=4-5=-1

Answer:

4

Step-by-step explanation:

So let's say he gets a result of 20 from the first spin. This means that the factors of 20 would be:

1, 2, 4, 5 and 10. Since 20 is not taken into account when building the next spinner.

now, the possibilities for each of the given factors are:

1:  1

2: 1, 2

4: 1, 2, 4

5: 1, 5

10: 1, 2, 5, 10

So let's take the one with the biggest amount of possible factors, in this case it would be the 10. So let's say that on the second spin, he gets a 10.

So our possible factors for 10 would be:

1, 2, 5  since we don't take 10 itself into account.

So let's see the possible factors for 1, 2 and 5

1: 1

2: 1, 2

5: 1, 5

For the third spin, you could either get a 2 or a 5, it doesn't matter which result you get since for theh last spinner, it would only have a result of 1.

so for the fourth spin, you would get a 1 as an answer and the game ends there with a total of four spins.

Answer:

4

Step-by-step explanation:

If John spins a 20, then Gary's list contains the numbers 1, 2, 4, 5, 10. Thus, these are the numbers on the second spinner.

If John spins a 1, then Gary's list will be empty because there are no positive factors of 1 besides itself. Thus, the game will be over. This yields a maximum of 1 additional spin.

If John spins a 2, then Gary's list will only contain the number 1. Then on John's next spin, we will have the same scenario as above. This yields a maximum of 2 additional spins.

If John spins a 4, then Gary's list will contain the numbers 1 and 2. As we have already found above, spinning a 2 yields more additional spins than a 1, so the maximum additional spins in this case is 3 spins.

If John spins a 5, then Gary's list will only contain the number 1. As above, this will yield a maximum of 2 additional spins.

Finally, if John spins a 10, then Gary's list will contain the numbers 1, 2, and 5. Of these numbers, 2 and 5 have the highest maximum number of additional spins, so this case has a maximum of 3 additional spins.

Thus, of all of the possibilities, spinning a 4 or 10 next could result in 3 additional spins, so the maximum total number of spins is \($\boxed{4}$\). These would be achieved by spinning 20, 10, 2, 1 or 20, 10, 5, 1 or 20, 4, 2, 1.

The expression which represents the total amount of minutes for the two months is; 2p - 75.

It follows from the task content that the expression which represents the total amount of minutes for the two months be determined.

Hence, it follows that since the number of minutes in the first month is; p.

While, the number of minutes used in the second month is 75 minutes fewer than p; p - 7.

Hence, the sum total of the number of minutes used is;

p + (p - 75)

Therefore, the sum total is; p + p - 75

= 2p - 75.

Ultimately, the expression which represents the total amount of minutes is; 2p - 75.

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The coin is flipped at least 52 times in order to obtain a 99% confidence interval of width of at most . 18 for the probability of flipping a head.

Hence, Option F is correct answer.

In a sample with a number n of people surveyed with a probability of a success of π , and a confidence level of (1-α), we have the following confidence interval of proportions.

\(\pi\) ± z\(\sqrt{\frac{\pi \p(1-\pi )}{n} }\)

z is the z-score that has a pvalue of \(1-\frac{\alpha }{2}\)

Since, the coin is fair, so \(\pi =0.5\).

The margin of error is:

\(M=z\sqrt{(\frac{\pi (1-\pi )}{n} )}\)

99% confidence level:

So \(\alpha =0.01\) ,z is the value of Z that has a p value of 1-\(\frac{0.01}{2}\)=0.995,

so Z= 2.575

We have to flip the coin in order to obtain a 99% confidence interval of width of at most 18 for the probability of flipping a head at least n times.

n is found when M=0.18 .

So

M=\(z\sqrt{\frac{\pi (1-\pi )}{n} }\)

\(0.18=2.575\sqrt{\frac{0.5*0.5}{n} }\)

\(0.18\sqrt{n} =2.575*0.5\)

\(\sqrt{n}=\frac{2.575*0.5}{0.18}\)

\(\sqrt{n} ^{2} =(\frac{2.575*0.5}{0.18} )^{2}\)

n = 51.16

Thus, we have to flip the coin at least 52 times.

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The system of equation that has one solution is: (d) –2x+ 7y = –5  and 2x +7y = –9

This is a group of equations which may have none, one or more solutions.

From the list of given options, the system of equations that has one solution is:

–2x+ 7y = –5  and 2x +7y = –9

This is so because, the solution is (-1,-1)

However, the other systems have infinite many solutions

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Answer:

D. -2x + 7y = -5 and 2x + 7y = -9

Step-by-step explanation:

Edge 2023

Check the graph below, please.

1) From this problem, we can see that the amplitude is given by the radius of 9.5m. Since this Ferris wheel rotates at once every 10 seconds, then we can write out the period as 10. Adding the period to the 1.2 meters above the ground yields us the midline: 9+1.2= 10.2

2) From this we can write out the following:

Period:

Phase Shift (C):

a) So we can write out the following equation:

So this is the sinusoidal function (sine) with the height in meters, and time in seconds.

b) Let's sketch the graph for this sinusoidal function, considering two complete cycles:

Note that since the period is 10, we have two cycles when x=20.

The airplane will become balanced if we add a 100- pound weight to the baggage compartment.

An airplane is used to convey people and goods from one point to another by air. The airplane must be airlifted. This means that the airplane must be balanced while on air. If the airplane is not balanced, it may be difficult to control.

Looking at the situation of this airplane, the airplane will become balanced if we add a 100- pound weight to the baggage compartment.

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If x represents a positive integer and x<7, then the values of x = {1,2,3,4,5,6}

The x represents a positive integers

Positive integers are the integers greater than 0. In number line the positive number will be at the right side of the 0. The negative integers are the integers less than 0. In number line the negative number will be at the left side of the 0.

The given inequality is

x<7

The inequality is the mathematical expression represents the relation between the two values that is not equal

Here x is less than 7 and a positive integer

Therefore,

x = {1, 2, 3, 4, 5, 6}

Hence, if x represents a positive integer and x<7, then the values of x = {1,2,3,4,5,6}

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Flight attendants for one carrier must be between 63 and 73 inches tall. The absolute value equations from the list below can be used to express these minimum and maximum heights is |x+68|<5.

Given that,

Flight attendants for one carrier must be between 63 and 73 inches tall.

We have to find what absolute value equations from the list below can be used to express these minimum and maximum heights.

In algebra, an absolute value function is a function where the variable is inside the bars denoting absolute values. The absolute value function is also known as the modulus function, and its most popular representation is function of x = |x|, where x is a real number. The absolute value function is typically written as function of x = a |x - h| + k, where a denotes the vertical stretch of the graph, h denotes the horizontal shift, and k denotes the vertical shift from the graph of function of x = |x|.

Therefore, The absolute value equations from the list below can be used to express these minimum and maximum heights is |x+68|<5.

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Triangulation is the method of finding the location of an object based on the measurements made from the two other locations. The above statement is true statement.

Triangulation is the division of a face or plane polygon into a series of triangles, usually with the limitation that each side of a triangle is fully shared by two adjacent triangles. In geometry, triangulation is the division of planar objects into triangles, or more broadly, the division of high-dimensional geometric objects into simplifications. Triangulation of a 3D volume involves subdivision into packed tetrahedra that directly measure distances to points. It is a method for finding the location of the object.

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