A set of final examination grades in an introductory statistics course is normally distributed, with a mean of 72 and .a. What is the probability that a student scored below 87 on this exam? The probability that a student scored below 87 is 0.9696 (Round to four decimal places as needed.) b. What is the probability that a student scored between 64 and 93? The probability that a student scored between 64 and 93 is 0.8370. (Round to four decimal places as needed.) c. The probability is 15% that a student taking the test scores higher than what grade? The probability is 15% that a student taking the test scores higher than (Round to the nearest integer as needed.) standard deviation of 8. Complete parts (a) through (d). C

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