Let the random variable X follow a normal distributionwith µ = 80 and σ2 = 100.a. Find the probability that X is greater than 60.b. Find the probability that X is greater than 72 and less than 82.c. Find the probability that X is less than 55.d. The probability is 0.1 that X is greater than what number?e. The probability is 0.6826 that X is in the symmetric interval about the mean between which two numbers?

Let the random variable X follow a normal distributionwith µ = 80 and σ2 = 100.a. Find the probability that X is greater than 60.b. Find the probability that X is greater than 72 and less than 82.c. Find the probability that X is less than 55.d. The probability is 0.1 that X is greater than what number?e. The probability is 0.6826 that X is in the symmetric interval about the mean between which two numbers?

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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