In a recent study reported Oct. 29, 2012 on the Flurry Blog, the mean age of tablet users is 34 years. Suppose thestandard deviation is 15 years. The sample of size is 50.a. What are the mean and standard deviation for the sum of the ages of tablet users? What is the distribution?b. Find the probability that the sum of the ages is between 1,500 and 1,800 years.c. Find the 80th percentile for the sum of the 50 ages.

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Answered: In a recent study reported Oct. 29,…

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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