Question

Bernie the Gambler reviews the number of bets he has won in his lifetime of gambling....

Bernie the Gambler reviews the number of bets he has won in his lifetime of gambling. Since he has made so many bets, he selects a random sample of 100 games and records the number of wins he has made. He sees that he has made 54 wins out of the 100 in his sample.

(a)

Calculate the point estimate for Bernie's sample.

(b)

Compute the margin of error for Bernie's winning bets given a confidence level of 99%. (Use a table or technology. Round your answer to three decimal places.)

c)

Suppose a randomly selected sample of n = 66 men has a mean win of x = 25.9, and the standard deviation of the sample is 4 wins. Calculate an approximate 95% confidence interval for the mean wins of the men . (Round the answers to one decimal place.)
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Math   Statistics-And-Probability   
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