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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
Posted: Tue Apr 26, 2022 5:52 pm
by answerhappygod
- A Set Of Final Examination Grades In An Introductory Statistics Course Is Normally Distributed With A Mean Of 71 And A 1 (345.65 KiB) Viewed 20 times
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). 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 0.8375 (Round to four decimal places as needed.) a c. The probability is 5% that a student taking the test scores higher than what grade? The probability is 5% that a student taking the test scores higher than