Fish story: According to a report by the U.S. Fish and Wildlife Service, the mean length...

Fish story: According to a report by the U.S. Fish and Wildlife Service, the mean length of six-year-old rainbow trout in the Arolik River in Alaska is 477 millimeters with a standard deviation of 37 millimeters. Assume these lengths are normally distributed.

(a) What proportion of six-year-old rainbow trout are less than 440 millimeters long?

(b) What proportion of six-year-old rainbow trout are between 370 and 470 millimeters long?

(c) Is it unusual for a six-year-old rainbow trout to be less than 371 millimeters long?

Round the answers to at least four decimal places.

Expert Solution

orchestra answered 1 year ago

5. According to a report by the U.S. Fish and Wildlife Service, the mean length of...

5. According to a report by the U.S. Fish and Wildlife Service, the mean length of six- year-old rainbow trout in the Arolik River in Alaska is 479 millimeters with a standard deviation of 39 millimeters. Assume these lengths are normally distributed. a. What proportion of six-year-old trout are between 385 and 475 millimeters long? b. Is it unusual for a six-year-old rainbow

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