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In a poll conducted on February 3 through 18 in 2021  41% of the United States was found to be Independent in political party affiliation. If you survey 10 Americans, determine the answers to the following questions.  what is the probability that more than 8 of the people surveyed are independent

In a poll conducted on February 3 through 18 in 2021  41% of the United States was found to be Independent in political party affiliation. If you survey 10 Americans, determine the answers to the following questions.  what is the probability that more than 8 of the people surveyed are independent

MATLAB: An Introduction with Applications
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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In a poll conducted on February 3 through 18 in 2021  41% of the United States was found to be Independent in political party affiliation. If you survey 10 Americans, determine the answers to the following questions.  what is the probability that more than 8 of the people surveyed are independent

Expert Solution
Step 1: Introduce the given information

According to the given information,

Probability of success, p = 41% = 0.41

Sample size, n = 10

Let X be a random variable represents the number of people are independent.

Using formula (Binomial probability distribution),

P left parenthesis X equals r right parenthesis equals C presuperscript n subscript r cross times left parenthesis p right parenthesis to the power of r cross times left parenthesis 1 minus p right parenthesis to the power of n minus r end exponent

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