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MA MA336 Spring 2022 Practice TES X + X a webassign.net/web/Student/Assignment-Responses/last?dep=29081386 M Gmail YouTube 9 Maps Living Environment. Suppose that the distribution of scores on

MA MA336 Spring 2022 Practice TES X + X a webassign.net/web/Student/Assignment-Responses/last?dep=29081386 M Gmail YouTube 9 Maps Living Environment. Suppose that the distribution of scores on an exam can be described by a normal curve with mean 140. The 16th percentile of this distribution is 100. (Use the Empirical Rule.) (a) What is the 84th percentile? (b) What is the approximate value of the standard deviation of exam scores? (c) What z score is associated with an exam score of 160? (d) What percentile corresponds to an exam score of 220? O 0.15 O 0.3 O 2.5 O 13.5 O 34 O 50 O 68 O 86.5 O 97.5 O 99.7 O 99.85

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