In: Statistics and Probability
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 that 20 out of 851 fish died
when caught and released using barbless hooks on flies or lures.
All hooks were removed from the fish.
(a) Let p represent the proportion of all pike and
trout that die (i.e., p is the mortality rate) when caught
and released using barbless hooks. Find a point estimate for
p. (Round your answer to four decimal places.)
(b) Find a 99% confidence interval for p. (Round your
answers to three decimal places.)
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