A large number of students took a departmental math test, of whom 8

A large number of students took a departmental math test, of whom 8 percent scored 90 or more from the scale of 100.  The scores have a bell-shaped distribution with a standard deviation of 8.5. 17 If the minimum score to pass the test is 62, what fraction of the students failed the test?   a 0.0526                 b 0.0409                 c 0.0301                 d 0.0262                                     18 The middle interval which includes 95% of the test scores is _______ to _______.   (Round the scores to the nearest integer.)   a 60 96               b 61 95               c 63 93               d 64 94                                  

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