Fifty percent of Americans believed the country was in a recession, even though technically the economy had not shown two straight quarters of negative growth (BusinessWeek, July 30, 2001). For a sample of 20 Americans, make the following calculations.Compute the probability that exactly 12 people believed the country was in a recession.Compute the probability that no more than five people believed the country was in a recession.How many people would you expect to say the country was in a recession?Compute the variance and standard deviation of the number of people who believed the country was in a recession.

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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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Fifty percent of Americans believed the country was in a recession, even though technically the economy had not shown two straight quarters of negative growth (BusinessWeek, July 30, 2001). For a sample of 20 Americans, make the following calculations.

Compute the probability that exactly 12 people believed the country was in a recession.
Compute the probability that no more than five people believed the country was in a recession.
How many people would you expect to say the country was in a recession?
Compute the variance and standard deviation of the number of people who believed the country was in a recession.

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