Obtain the following z-scores.
Answer to relevant QuestionsDetermine the two z-scores that divide the area under the standard normal curve into a middle 0.90 area and two outside 0.05 areas. Let 0 A variable is normally distributed with mean 0 and standard deviation 4. Find the percentage of all possible values of the variable that a. Lie between −8 and 8 b. Exceed −1.5 c. Are less than 2.75 As reported in Runner’s World magazine, the times of the finishers in the New York City 10-km run are normally distributed with mean 61 minutes and standard deviation 9 minutes. a. Determine the percentage of finishers ...State the 68.26 - 95.44 - 99.74 rule.
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