Question 71 78 85 92 99 Exam Scores For the graph shown above, what is the percentile of a score of 57 points? Use values from the Empirical Rule.
30 40 50 60 70 80 Exam Scores Submit Question For the graph shown above, a. what is the Z-value of a score of 80 points? b. What exam score corresonds to Z = -3? 90 100 + 110 a
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: I Enter an integer or decimal number [more..] b. Probability the bear weighs between 37 and 65 pounds: c. Probability the bear weighs more than 65 pounds: Submit Question
43 50 57 64 Submit 43 50 57 64 Submit Question 71 78 85 92 99 Exam Scores For the graph shown above, what is the percentile of a score of 5
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