Question
A particular lake is known to be one of the best places to catch a certain type of fish. In this table, x = numberof
A particular lake is known to be one of the best places to catch a certain type of fish. In this table,x= numberof fish caught in a6-hourperiod. The percentage data are the percentages of fishermen who caughtxfishin a6-hourperiod while fishing from shore.
x | 0 | 1 | 2 | 3 | 4 or more |
---|---|---|---|---|---|
% | 43% | 35% | 15% | 6% | 1% |
(a) Convert the percentages to probabilities and make a histogram of the probability distribution. (Select the correct graph.) (b) Find the probability that a fisherman selected at random fishing from shore catches one or more fish in a 6-hour period. (Enter a number. Round your answer to two decimal places.) (c) Find the probability that a fisherman selected at random fishing from shore catches two or more fish in a 6-hour period. (Enter a number. Round your answer to two decimal places.) (d) Compute, the expected value of the number of fish caught per fisherman in a 6-hour period (round 4 or more to 4). (Enter a number. Round your answer to two decimal places.) = fish (e) Compute, the standard deviation of the number of fish caught per fisherman in a 6-hour period (round 4 or more to 4). (Enter a number. Round your answer to three decimal places.) = fish
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