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    Fifty percent of Americans believed the country was in a recession, even though technically the economy had not shown two straight quarters of negative growth (Business Week, July 30, 2001). For a sample of 20 Americans, make the following calculations:

    a. Compute the probability that exactly 12 people believed the country was in a recession.
    b. Compute the probability that no more than five people believed the country was in a recession.
    c. Howmany people would you expect to say the county was in a recession?
    d. Compute the variance and standard deviation of the number of people who believed the country was in a recession.

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    Solution Summary

    This solution is comprised of detailed step-by-step calculations and analysis of the given problems related to Statistics and provides students with a clear perspective of the underlying concepts.