Assume that 38.7% of people have sleepwalked. Assume that in a random sample of 1527 adults,...

Assume that 38.7% of people have sleepwalked. Assume that in a random sample of 1527 adults, 604 have sleepwalked.

a. Assuming that the rate of 38.7% is correct, find the probability that 604or more of the 1527adults have sleepwalked.

b. Is that result of 604 or more significantly high?

c. What does the result suggest about the rate of 38.7%?

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