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e. Find the standard deviation of the random variable X.

e. Find the standard deviation of the random variable X.

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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Question 7: Let's say that about 25.4% of a town's residents are classified as obese. Suppose we take a random sample of 200 residents. Let X represent the number of residents that are obese. Round all answers to three decimal places unless otherwise specified. a. Is Xa binomial random variable? Why or why not? suden b. What is the probability that exactly 56 people are obese? C. What is the probability that 49 or 50 people are obese? data to C behovw to use ecorded foracofthe boorsr d. Find the mean of the random variable X. Use one decimal place.
Transcribed Image Text:Question 7: Let's say that about 25.4% of a town's residents are classified as obese. Suppose we take a random sample of 200 residents. Let X represent the number of residents that are obese. Round all answers to three decimal places unless otherwise specified. a. Is Xa binomial random variable? Why or why not? suden b. What is the probability that exactly 56 people are obese? C. What is the probability that 49 or 50 people are obese? data to C behovw to use ecorded foracofthe boorsr d. Find the mean of the random variable X. Use one decimal place.
e. Find the standard deviation of the random variable X.
Transcribed Image Text:e. Find the standard deviation of the random variable X.
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