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3.130, p. 145) that an Even 2019 survey found that 11% of US adults feel that the "American Dream" (however defined) is out of reach for them. In a random sample of 10 US adults, let x represent the number who believe the American Dream is out of reach. a. For this experiment, define the event that represents a "success." b. Explain why x is (approximately) a binomial random variable. c. Give the value of p for this binomial experiment. NW d. Find P(x = 3).

3.130, p. 145) that an Even 2019 survey found that 11% of US adults feel that the "American Dream" (however defined) is out of reach for them. In a random sample of 10 US adults, let x represent the number who believe the American Dream is out of reach. a. For this experiment, define the event that represents a "success." b. Explain why x is (approximately) a binomial random variable. c. Give the value of p for this binomial experiment. NW d. Find P(x = 3).

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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parts b-d only please 

4.47 REACHING THE AMERICAN DREAM. Recall (Exercise 3.130, p. 145) that an Even 2019 survey found that 11% of US adults feel that the "American Dream" (however defined) is out of reach for them. In a random sample of 10 US adults, let x represent the number who believe the American Dream is out of reach. a. For this experiment, define the event that represents a "success." b. Explain why x is (approximately) a binomial random variable. c. Give the value of p for this binomial experiment. NW d. Find P(x = 3). e. Find the probability that 2 or fewer of the 10 US adults believe the American Dream is out of reach.
Transcribed Image Text:4.47 REACHING THE AMERICAN DREAM. Recall (Exercise 3.130, p. 145) that an Even 2019 survey found that 11% of US adults feel that the "American Dream" (however defined) is out of reach for them. In a random sample of 10 US adults, let x represent the number who believe the American Dream is out of reach. a. For this experiment, define the event that represents a "success." b. Explain why x is (approximately) a binomial random variable. c. Give the value of p for this binomial experiment. NW d. Find P(x = 3). e. Find the probability that 2 or fewer of the 10 US adults believe the American Dream is out of reach.
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