(Answered) Assume that the fisherman can use between 5 and 8 lines

Statistics

Assume that the fisherman can use between 5 and 8 lines. With 5 lines, the probability of a catch on each line is 0.71. With 6 this probability is 0.63, with 7 it is 0.51, and with 8 the probability is 0.43.

1) How many lines should the fisherman use to maximize the probability of catching at least 4 fish?

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