Suppose Stock Price Per Earnings (P/E Ratios) have a normal distribution with mean 15 and standard deviation 5. What proportion of the stocks have a P/E ratio greater than 22? Choose the CLOSEST ANSWER.

Group of answer choices

.90

.10

.60

.40

------------------------------------------------------

Suppose Stock Price Per Earnings (P/E Ratios) have a normal distribution with mean 15 and standard deviation 5. Find the cutoff point for the highest 10% of the P/E/ ratios. Choose the CLOSEST ANSWER.

Group of answer choices

14

0

7

21

----------------------------------------------------------

According to the 68-95-99.7 Rule, if the values have a normal distribution, about 95% of the values will lie within _________ standard deviations of the mean.

Group of answer choices

1

3

2

---------------------------------------------------------