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a) What's the mean number of people we would expect would be smokers? b) What is the probability exactly 4 of the people are smokers? c) What is the probability less than 3 people are smokers? (i.e. 0, 1 or 2 people out of the 20.)

a) What's the mean number of people we would expect would be smokers? b) What is the probability exactly 4 of the people are smokers? c) What is the probability less than 3 people are smokers? (i.e. 0, 1 or 2 people out of the 20.)

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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3) If 17% of the U.S. population smokes and we randomly select 20 people... a) What's the mean number of people we would expect would be smokers? b) What is the probability exactly 4 of the people are smokers? c) What is the probability less than 3 people are smokers? (i.e. 0, 1 or 2 people are smokers out of the 20.)
Transcribed Image Text:3) If 17% of the U.S. population smokes and we randomly select 20 people... a) What's the mean number of people we would expect would be smokers? b) What is the probability exactly 4 of the people are smokers? c) What is the probability less than 3 people are smokers? (i.e. 0, 1 or 2 people are smokers out of the 20.)
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