9. Random samples with size 25 are drawn from the population with a mean of 30 and a standard deviation of 8. Find the mean and the standard error of the sample means. 10.A population has a mean of 85 and a standard deviation of 2.3. What is the probability that the mean of a random sample with size 30 falls between 80 and 88?
9. Random samples with size 25 are drawn from the population with a mean of 30 and a standard deviation of 8. Find the mean and the standard error of the sample means. 10.A population has a mean of 85 and a standard deviation of 2.3. What is the probability that the mean of a random sample with size 30 falls between 80 and 88?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Answer number 7 to 10 pls. I don't want to waste to my money here.
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