(a) Find the probability that both adults say Franklin Roosevelt was the best president since World War I. The probability that both adults say Franklin Roosevelt was the best president since World War Il is (Round to three decimal places as needed.) (b) Find the probability that neither adult says Franklin Roosevelt was the best president since World War II. The probability that neither adult says Franklin Roosevelt was the best president since World War Il is (Round to three decimal places as needed.) (c) Find the probability that at least one of the two adults says Franklin Roosevelt was the best president since World War I. The probability that at least one of the two adults says Franklin Roosevelt was-the best president since World War Il is (Round to three decimal places as needed.)

(a) Find the probability that both adults say Franklin Roosevelt was the best president since World War I. The probability that both adults say Franklin Roosevelt was the best president since World War Il is (Round to three decimal places as needed.) (b) Find the probability that neither adult says Franklin Roosevelt was the best president since World War II. The probability that neither adult says Franklin Roosevelt was the best president since World War Il is (Round to three decimal places as needed.) (c) Find the probability that at least one of the two adults says Franklin Roosevelt was the best president since World War I. The probability that at least one of the two adults says Franklin Roosevelt was-the best president since World War Il is (Round to three decimal places as needed.)

Name: In a survey of U.S. adults with a sample size of 2054, 320 said Frank
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Description: In a survey of U.S. adults with a sample size of 2054, 320 said Franklin Roosevelt was the best president since World War II. Two U.S. adults are selected at random from this sample without replacement. Completeparts (a) through (d).(a) Find the pro

MATLAB: An Introduction with Applications

6th Edition

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Author:Amos Gilat

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Concept explainers

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

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Question

In a survey of U.S. adults with a sample size of 2054, 320 said Franklin Roosevelt was the best president since World War II. Two U.S. adults are selected at random from this sample without replacement. Complete
parts (a) through (d).
(a) Find the probability that both adults say Franklin Roosevelt was the best president since World War II.
The probability that both adults say Franklin Roosevelt was the best president since World War Il is
(Round to three decimal places as needed.)
(b) Find the probability that neither adult says Franklin Roosevelt was the best president since World War II.
The probability that neither adult says Franklin Roosevelt was the best president since World War Il is
(Round to three decimal places as needed.)
(c) Find the probability that at least one of the two adults says Franklin Roosevelt was the best president since World War II.
The probability that at least one of the two adults says Franklin Roosevelt was-the best president since World War Il is
(Round to three decimal places as needed.)
(d) Which of the events can be considered unusual? Explain. Select all that apply.
n The event in nart (al is unusual hecause its nrnhahilitv is less than or eaual to 0 05
Click to select your answer(s).
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The probability that at least one of the two adults says Franklin Roosevelt was the best president since World War II is
(Round to three decimal places as needed.)
(d) Which of the events can be considered unusual? Explain. Select all that apply.
The event in part (a) is unusual because its probability is less than or equal to 0.05.
The event in part (c) is unusual because its probability is less than or equal to 0.05.
The event in part (b) is unusual because its probability is less than or equal to 0.05.
None of these events are unusual.
Click to select your answer(s).
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