Answered: A 2015 study conducted by the National…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Question

A 2015 study conducted by the National Center for Health Statistics found that

51% of U.S. households had no landline service. This raises concerns about the accuracy of certain surveys, as they depend on random-digit dialing to households via landlines. Researchers pick

tenten U.S. households at random.

a) What is the probability that all

tenten of them have a landline ?

b) What is the probability that at least one of them does not have alandline?

c) What is the probability that at least one of them does have alandline?

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c is not correct answer

Try again.

The Multiplication Rule says that for independent events A and B, to find the probability that both events occur, multiply the probabilities together.

Upper P left parenthesis Upper A and Upper B right parenthesis equals Upper P left parenthesis Upper A right parenthesis times Upper P left parenthesis Upper B right parenthesisP(A and B)=P(A)×P(B)

This rule can be extended to more than two independent events by multiplying the probability of each event.

The set of outcomes that are not in the event A is called the complement of A, and is denoted

Upper A Superscript Upper CAC.

The Complement Rule says that the probability of an event not occurring is 1 minus the probability that it does occur.

Upper P left parenthesis Upper A Superscript Upper C Baseline right parenthesis equals 1 minus Upper P left parenthesis Upper A right parenthesis

fix it please only c

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