If the mean salary of probation officers in the United States is $31,256, and the standard deviation is $3,000, find the following probabilities for a randomly selected probation officer. Assume the variable is normally distributed.

a. The officer earns more than $35,000.
b. The officer earns more than $25,000.

75

step-by-step explanation:

1. 8

2. 9

3. 20

4. 3

5. 17

6. 2.2

7. 11.25

8. 1

9. 14

10. 2

step-by-step explanation:

thats the first half

the graph in the attached figure

step-by-step explanation:

we have

using a graphing tool

the graph in the attached figure

the roots are ( x-intercepts) x=-0.5,x=1,x=3

the y-intercept is the point (0,3)

step-by-step explanation:

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