A Large Number Of Students Took A Departmental Math Test, Of Whom 8 Percent Scored
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 | |||||||