. The average number of liters of water that a person consume in a month is 12 liters. Assume that the standard deviation is 4.5 liters and the distribution is approximately normal. a. Find the probability that a person selected at random consumes more than 13 liters per month. b. If a sample of 20 individuals is selected, find the probability that mean of the sample will be more than 13 liters.

. The average number of liters of water that a person consume in a month is 12 liters. Assume that the standard deviation is 4.5 liters and the distribution is approximately normal. a. Find the probability that a person selected at random consumes more than 13 liters per month. b. If a sample of 20 individuals is selected, find the probability that mean of the sample will be more than 13 liters.

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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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