If 3 different households of the 400 are to be chosen at random for a marketing survey, which of the following is closest to the probability that all 3 households chosen had incomes of $50,000 or more in 1999? 0.0001 0.001 0.005 0.015 0.045 If no two households in the community had the same income, and if the greatest household income had the greatest percentile ranking, which of the following could have been the income at the 85th percentile ranking of the 400 household incomes?

If 3 different households of the 400 are to be chosen at random for a marketing survey, which of the following is closest to the probability that all 3 households chosen had incomes of $50,000 or more in 1999? 0.0001 0.001 0.005 0.015 0.045 If no two households in the community had the same income, and if the greatest household income had the greatest percentile ranking, which of the following could have been the income at the 85th percentile ranking of the 400 household incomes?

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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