The frequency distribution of individuals receiving a score on a standard test is normally distributed with a mean of 100 and avarianceof 121. John's score is 92. Round all steps to 2 decimal places in your calculations. What is SD?

Group of answer choices

11

15

5

121

131

In the question above, what is John's Z score?

Group of answer choices

0.71

0.25

-0.25

-0.73

-0.11

In the question above, what is Mary's Z score if her test score is 104?

Group of answer choices

0.34

0.36

-.1

1.35

-0.01

What is the probability of selecting someone at random between John's and Mary's Z scores (use the Z table)?

Group of answer choices

40.79%

30.07%

40.17%

20.01%

37.15%