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According to the CICA Business Monitor, 11% of Canada's executive chartered accountants are pessimistic about the economy.26 To check this claim, 50 chartered accountants were randomly selected and asked whether they feel pessimistic about the economy in 2013.

a. If the claim is true, find the probability that exactly seven chartered accountants are pessimistic about the economy.

b. If the claim is true, find the probability that at most four chartered accountants are pessimistic about the economy.

c. Suppose 12 chartered accountants are pessimistic about the economy. Is there any evidence to suggest that the claim is false? Justify your answer.

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M92235071

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