A set of final examination grades in an introductory statistics course is normally distributed, with a mean of 71 and a
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A set of final examination grades in an introductory statistics course is normally distributed, with a mean of 71 and a
A set of final examination grades in an introductory statistics course is normally distributed, with a mean of 71 and a standard deviation of 9. Complete parts (a) through (d). WW .a. What is the probability that a student scored below 86 on this exam? The probability that a student scored below 86 is 0.9525 (Round to four decimal places as needed.) b. What is the probability that a student scored between 62 and 95? The probability that a student scored between 62 and 95 is (Round to four decimal places as needed.)
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