For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding.

In a combined study of northern pike, cutthroat trout, rainbow trout, and lake trout, it was found that28out of806fish died when caught and released using barbless hooks on flies or lures. All hooks were removed from the fish.

(a) Letprepresent the proportion of all pike and trout that die (i.e.,pis the mortality rate) when caught and released using barbless hooks. Find a point estimate forp. (Round your answer to four decimal places.)

(b) Find a 99% confidence interval forp. (Round your answers to three decimal places.)lower limitupper limit

Give a brief explanation of the meaning of the interval.

99% of the confidence intervals created using this method would include the true catch-and-release mortality rate.

1% of all confidence intervals would include the true catch-and-release mortality rate.

1% of the confidence intervals created using this method would include the true catch-and-release mortality rate.

99% of all confidence intervals would include the true catch-and-release mortality rate.

(c) Is the normal approximation to the binomial justified in this problem? Explain.

No;np> 5 andnq< 5.

No;np< 5 andnq> 5.

Yes;np> 5 andnq> 5.

Yes;np< 5 andnq< 5.