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Twenty Percent of American Households Own Three or More Cars

Question 28

Multiple Choice

Twenty percent of American households own three or more cars. A random sample of 144 American households is selected. Let X be the number of households selected that own three or more cars. Using the Normal approximation, the probability that at least 34 of the households selected own at least three or more cars is:


A) 0.14.
B) 0.409.
C) 0.591.
D) 0.86.

Correct Answer:

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