Assume that 35.8% of people have sleepwalked. Assume that in a random sample of 1460 adults, 565 have sleepwalked.
a. Assuming that the rate of 35.8% is correct, find the
probability that 565 or more of the 1460 adults have sleepwalked.
b. Is that result of 565 or more significantly high?
c. What does the result suggest about the rate of 35.8%?



Answer :