Suppose x has a distribution with = 12 and a = 6.LAUSE SALT(a) If a random sample of size n 39 is drawn, find and P12 sxs 14). (Round a to two decimal places and the probability to four decimal places.)PX=aP(12 SX S14) -(b) If a random sample of size n71 is drawn, find and P(12 sxs 14). (Round a to two decimal places and the probability to four decimal places.)PXaP(12 SX S14)-(c) Why should you expect the probability of part (b) to be higher than that of part (a)7 (Hint: Consider the standard deviations in parts (a) and (b).)The standard deviation of part (b) is-Select- part (a) because of the Select-sample size. Therefore, the distribution about pr; is-Select-

Population mean μ=12, standard deviations σ=6

Answered: Suppose x has a distribution with = 12…

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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he lengths of adult mates' hands are normally distributed with mean 185 mm and standard eviation is 7.5 mm. Suppose that 47 individuals are randomly chosen. Round all answers to 4 vhere possible. a. What is the distribution of ¤? ¤ ~ N( 185 X) oe oe 1.094 b. For the group of 47, find the probability that the average hand length is less than 184. 0.6357 x G Find the first quartile for the average adult male hand length for this sample size.

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