The top recreational activity for men was fishing, with 41% of those surveyed indicating that they had fished during the past year. Suppose 280 randomly selected men are asked whether they had fished in the past year (a) What is the probability that between 120 and 135 (inclusive) had fished? (bl What is the robability that tbe sample proportion of men who have fished in the past vear ô e ceeds 50%?
The top recreational activity for men was fishing, with 41% of those surveyed indicating that they had fished during the past year. Suppose 280 randomly selected men are asked whether they had fished in the past year (a) What is the probability that between 120 and 135 (inclusive) had fished? (bl What is the robability that tbe sample proportion of men who have fished in the past vear ô e ceeds 50%?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 11ECP: A manufacturer has determined that a machine averages one faulty unit for every 500 it produces....
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Transcribed Image Text:The top recreational activity for men was fishing, with 41% of those surveyed indicating that they had fished
during the past year. Suppose 280 randomly selected men are asked whether they had fished in the past year
(a) What is the probability that between 120 and 135 (inclusive) had fished?
(b) What is the probability that the sample proportion of men who have fished in the past year, p, exceeds 50%?
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