In the United States, voters who are neither Democrat nor Republican are called Independent. It is believed that 12% of voters are Independent. A survey asked 21 people to identify themselves as Democrat, Republican, or Independent. a)What is the probability that none of the people are Independent? b) What is the probability that fewer than 7 are Independent? c)What is the probability that more than 3 people are Independent?

In the United States, voters who are neither Democrat nor Republican are called Independent. It is believed that 12% of voters are Independent. A survey asked 21 people to identify themselves as Democrat, Republican, or Independent. a)What is the probability that none of the people are Independent? b) What is the probability that fewer than 7 are Independent? c)What is the probability that more than 3 people are Independent?

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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a)What is the probability that none of the people are Independent?

b) What is the probability that fewer than 7 are Independent?

c)What is the probability that more than 3 people are Independent?

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