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n USE SALT (a) If a random sample of size n = 35 is drawn, find u, o, and P(20 sxs 22). (Round o, to two decimal places and the probability to four decimal places.) H = 『ス= P(20 sxS 22) = | (b) If a random sample of size n = 65 is drawn, find u, o, and P(20 s x S 22). (Round o, to two decimal places and the probability to four decimal places.) H = 『ス= P(20 sxS 22) =| (c) Why should you expect the probability of part (b) to be higher than that of part (a)? (Hint: Consider the standard deviations in parts (a) and (b).) The standard deviation of part (b) is ---Select- v part (a) because of the ---Select--- v sample size. Therefore, the distribution about u, is ---Select--- v

n USE SALT (a) If a random sample of size n = 35 is drawn, find u, o, and P(20 sxs 22). (Round o, to two decimal places and the probability to four decimal places.) H = 『ス= P(20 sxS 22) = | (b) If a random sample of size n = 65 is drawn, find u, o, and P(20 s x S 22). (Round o, to two decimal places and the probability to four decimal places.) H = 『ス= P(20 sxS 22) =| (c) Why should you expect the probability of part (b) to be higher than that of part (a)? (Hint: Consider the standard deviations in parts (a) and (b).) The standard deviation of part (b) is ---Select- v part (a) because of the ---Select--- v sample size. Therefore, the distribution about u, is ---Select--- v

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Suppose x has a distribution with u = 20 and o = 14. n USE SALT (a) If a random sample of size n = 35 is drawn, find u-, o- and P(20 <xs 22). (Round o, to two decimal places and the probability to four decimal places.) H = 『ス= P(20 sxs 22) =| (b) If a random sample of size n = 65 is drawn, find u, o, and P(20 < x < 22). (Round o, to two decimal places and the probability to four decimal places.) H = 『ス=L P(20 sxS 22) = | (c) Why should you expect the probability of part (b) to be higher than that of part (a)? (Hint: Consider the standard deviations in parts (a) and (b).) The standard deviation of part (b) is --Select--- part (a) because of the -Select--- v sample size. Therefore, the distribution about u- is ---Select--
Transcribed Image Text:Suppose x has a distribution with u = 20 and o = 14. n USE SALT (a) If a random sample of size n = 35 is drawn, find u-, o- and P(20 <xs 22). (Round o, to two decimal places and the probability to four decimal places.) H = 『ス= P(20 sxs 22) =| (b) If a random sample of size n = 65 is drawn, find u, o, and P(20 < x < 22). (Round o, to two decimal places and the probability to four decimal places.) H = 『ス=L P(20 sxS 22) = | (c) Why should you expect the probability of part (b) to be higher than that of part (a)? (Hint: Consider the standard deviations in parts (a) and (b).) The standard deviation of part (b) is --Select--- part (a) because of the -Select--- v sample size. Therefore, the distribution about u- is ---Select--
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