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For 100 randomly selected adults, compute the mean and standard deviation?

For 100 randomly selected adults, compute the mean and standard deviation?

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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A recent poll found that 47% of adults believe that the overall state of moral values is poor. For 100 randomly selected adults, compute the mean and standard deviation?
Expert Solution
Step 1: Mentioning given information

A recent poll found that 47% of adults believe that the overall state of moral values is poor.

  • Here finite number of adults are selected.
  • Each of adult have their independent opinion.
  • There are two outcomes adults believe that the overall state of moral values is poor and not poor.
  • Probability remains constant for each adults to says that  overall state of moral values is poor 

so here we will use binomial distribution.

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