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1.6- A test of Mathematics skills test is normally distributed with a mean of 90 and...


1.6- A test of Mathematics skills test is normally distributed with a mean of 90 and a standard deviation of 13. A student receives a score of 101 on the exam. What percent of students did she do better than?

a.

.8462
b.

.1977
c.

.1538
d.

.8023

1.7- A test of Mathematics skills test is normally distributed with a mean of 90 and a standard deviation of 13. A student receives a score of 88 on the exam. What percent of students did she do worse than?

a.

15.38%
b.

55.96%
c.

44.04%
d.

65.28%
Math   Statistics-And-Probability   
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