A normally distributed variable has a mean = 120 and standard deviation of = 12. Ifa sample size of n = 36 is selected, what is the probability of the following means?a. 0.62 % b. 69.15 % c. 99.40 % d. 97.59 %c. 99.40 % d. 97.59 %_23. greater than 125?_24. 119 and above ?a. 0.62 % b. 69.15 %25. between 114.5 and 125.5 ?a. 0.62 % b. 69.15 %c. 99.40 % d. 97.59 %

Given that. X~N( μ , ?^2 ) μ=120 , ?=12 Z-score =( x - μ )/?

Answered: 120 and standard deviation of = 12. If…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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