Question 2 You draw a random sample of size n = 16 from a population with mean µ = 100 and standard deviation o = 20. From this, you compute the sample mean, x a. What are the expectation and standard deviation of x? b. Approximately what is the probability that the sample mean is between 95 and 105? c. Do you need any additional assumptions for part (c) to be true?
Question 2 You draw a random sample of size n = 16 from a population with mean µ = 100 and standard deviation o = 20. From this, you compute the sample mean, x a. What are the expectation and standard deviation of x? b. Approximately what is the probability that the sample mean is between 95 and 105? c. Do you need any additional assumptions for part (c) to be true?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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