1. The weight of male babies less than2 months old in the United States is normally distributed with mean 11.6pounds and standard deviation 2.9 pounds.

(a) Find the79th percentile of the baby weights.

(b) Find the12th percentile of the baby weights.

(c) Find the third quartile of the baby weights.

Use the TI-84 Plus calculator and round the answers to at least two decimal places.

(2) A new sample of333 employed adults is chosen. Find the probability that less than 8.4%

of the individuals in this sample hold multiple jobs. Round the answer to at least four decimal places. The probability that less than8.4%of the individuals in this sample hold multiple jobs is

(3) (c) Find the probability that more than7.9% of the individuals in the sample of333

hold multiple jobs. Round the answer to at least four decimal places. The probability that more than7.9%of individuals in the sample of333

hold multiple jobs is

(4) Find the probability that the proportion of individuals in the sample of333 who hold multiple jobs is between 0.14 and 0.17. Round the answer to at least four decimal places. The probability that the proportion of individuals in the sample of333

hold multiple jobs is between0.14and0.17is

(5) Would it be unusual if less than7% of the individuals in the sample of 333 held multiple jobs? Itwould or would not (Choose one)be unusual if less than7%of the individuals in the sample of333held multiple jobs, since the probability is5.