The proportion of Americans who support the death penalty is .53. A sample of 1000 randomly selected Americans is surveyed by telephone interview. Answer the following questions: What is the probability that the sample proportion of those supporting the death penalty will be less than .50? What is the probability that the sample proportion of those supporting the death penalty will be at least .55? What is the probability that the sample proportion of those supporting the death penalty will be between .50 and .55? For samples of size 1000, 15% of all sample proportions are at most what value?
The proportion of Americans who support the death penalty is .53. A sample of 1000 randomly selected Americans is surveyed by telephone interview. Answer the following questions: What is the probability that the sample proportion of those supporting the death penalty will be less than .50? What is the probability that the sample proportion of those supporting the death penalty will be at least .55? What is the probability that the sample proportion of those supporting the death penalty will be between .50 and .55? For samples of size 1000, 15% of all sample proportions are at most what value?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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The proportion of Americans who support the death penalty is .53. A sample of 1000 randomly selected Americans is surveyed by telephone interview. Answer the following questions:
- What is the
probability that the sample proportion of those supporting the death penalty will be less than .50? - What is the probability that the sample proportion of those supporting the death penalty will be at least .55?
- What is the probability that the sample proportion of those supporting the death penalty will be between .50 and .55?
- For samples of size 1000, 15% of all sample proportions are at most what value?
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