The distribution of the number of children for families in the United States has mean 0.9 and standard deviation 1.1. Suppose a television network selects a random sample of 1000 families in the United States for a survey on TV viewing habits. a. Describe (as shape, center and spread) the sampling distribution of the possible values of the average number of children per family. b. What average numbers of children are reasonably likely in the sample? c. What is the probability that the average number of children per family in the sample will be 0.8 or less? d. What is the probability that the average number of children per family in the sample will be between 0.8 and 1.0?

The distribution of the number of children for families in the United States has mean 0.9 and standard deviation 1.1. Suppose a television network selects a random sample of 1000 families in the United States for a survey on TV viewing habits. a. Describe (as shape, center and spread) the sampling distribution of the possible values of the average number of children per family. b. What average numbers of children are reasonably likely in the sample? c. What is the probability that the average number of children per family in the sample will be 0.8 or less? d. What is the probability that the average number of children per family in the sample will be between 0.8 and 1.0?

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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