Use the Empirical Rule and do not round. a. b. T -4 -3 -2 -1 -3 -2 -1 Submit Question -1 0 Z 0 Z Z 1 1 2 2 2 2 3 3 3 Q -
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The weights of grizzly bears in Jellystone National Park are normally distributed, with a mean of 67 pounds and a standard deviation of 7 pounds. You select a grizzly bear at random. Use the Empirical Rule (68-95-99.7) to find the following. Do not round any answers. a. The percentile of a 60 pound bear: b. Out of a random sample of 117 bears, how many you would expect to weigh between 60 and 74 pounds: c. The cutoff (in pounds) for the heaviest 16% of bears: Submit Question
The weights of grizzly bears in Jellystone National Park are normally distributed, with a mean of 58 pounds and a standard deviation of 7 pounds. You select a grizzly bear at random. Use the Empirical Rule (68-95-99.7) to find the following probabilities. Do not round any answers. a. Probability the bear weighs less than 37 pounds: b. Probability the bear weighs between 37 and 65 pounds: c. Probability the bear weighs more than 65 pounds: Submit Question