7. If the standard deviation of the mean for the sampl size 64 from a large...

Question

Question

7. If the standard deviation of the mean for the sampl size 64 from a large or infinite population is 2.5, how large must the

math Statistics-And-Probability

Answer 1

Answer #1

Lol Sfandanddevighon is : 2.5 G25 6:20 n635 size should ba 625

Answer 2

Similar Homework Help Questions

If the standard deviation of the mean for the sampling distribution of random samples of size...

If the standard deviation of the mean for the sampling distribution of random samples of size 49 from a large or Infinite population is become if the standard deviation is to be reduced to 5257 how large must the sample size Gradebook Sear The sample se must become see score Enter your answer in the answer box to search
7. The standard deviation of the mean for the sampling distribution of random samples of size...

7. The standard deviation of the mean for the sampling distribution of random samples of size n-36 from a large (or infinite) population is 2. How large must the sample size be to decrease the standard deviation to 1.2?
11. If the standard deviation of the mean for the sampling distribution of random samples of...

11. If the standard deviation of the mean for the sampling distribution of random samples of size 36 from a large or infinite population is 2, how large must the sample size become if the standard deviation is to be reduced to 1.2? Show work. (8 points)

A population has a standard deviation of 16. If a sample of size 64 is selected...

A population has a standard deviation of 16. If a sample of size 64 is selected from this population, what is the probability that the sample mean will be within ±4 of the population mean?
Suppose that a random sample of size 64 is to be selected from a population with mean 40 and standard deviation 5.

Suppose that a random sample of size 64 is to be selected from a population with mean 40 and standard deviation 5. (a) What are the mean and standard deviation of the sampling distribution? (b) What is the approximate probability that will be within 0.3 of the population mean u? (Round your answer to four decimal places.) (c) What is the approximate probability that will differ from u by more than 0.7? (Round your answer to four decimal places.)
suppose that a sample size 64 is drawn from a population with mean 35 and standard...

suppose that a sample size 64 is drawn from a population with mean 35 and standard deviation 88. find the value of ox the standard deviation of the distribution of sample means. round to two decimal places

13. A population has a standard deviation of 16. If a sample of size 64 is...

13. A population has a standard deviation of 16. If a sample of size 64 is selected from this population, what is the probability that the sample mean will be within ±2 of the population mean? Select one: a. 0.6826 b. -0.6826 c. 0.3413 d. Since the mean is not given, there is no answer to this question.
Suppose that a random sample of size 64 is to be selected from a population with...

Suppose that a random sample of size 64 is to be selected from a population with mean 30 and standard deviation 7. (Use a table or technology.) (a) What are the mean and standard deviation of the sampling distribution of x? - 30 0 - 0.875 Describe the shape of the sampling distribution of x. The shape of the sampling distribution of x is approximately normale (b) What is the approximate probability that x will be within 0.5 of the...
a population has mean 48.4 and standard deviation 6.3 (a)find the mean and standard deviation of...

a population has mean 48.4 and standard deviation 6.3 (a)find the mean and standard deviation of x for samples of size 64 (b) find the probability that the mean of a sample of size 64 will be less that 46.7

If selecting samples of size n≤30 from a population with a known mean and standard deviation,...

If selecting samples of size n≤30 from a population with a known mean and standard deviation, what requirement, if any, must be satisfied in order to assume that the distribution of the sample means is a normal distribution? A) The population must have a normal distribution. B) The population must have a mean of 1. C) The population must have a standard deviation of 1. D) None; the distribution of sample means will be approximately normal.