22. Each American uses 650 pounds of paper a year. Suppose that the distribution is normal with a population standard deviation of 153.5 pounds. Find the probability that a randomly selected American uses: a.) More than 800 pounds b.) Less than 400 pounds c.) Between 500 and 700 pounds a year

22. Each American uses 650 pounds of paper a year. Suppose that the distribution is normal with a population standard deviation of 153.5 pounds. Find the probability that a randomly selected American uses: a.) More than 800 pounds b.) Less than 400 pounds c.) Between 500 and 700 pounds a year

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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Question

22. Each American uses 650 pounds of paper a year. Suppose that the distribution is normal with a population
standard deviation of 153.5 pounds. Find the probability that a randomly selected American uses:
a.) More than 800 pounds
b.) Less than 400 pounds
c.) Between 500 and 700 pounds a year

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