7. Tossing a die has the following probability distribution. Find the standard
deviation of the number of spots that will appear when a die is tossed
Number of spots 1 2 3
Probability PAY 176
110
* 0167
b. 1.667
d 29
For numbers 8-10. sefer to the probability distribution below
d. 2.53
1 2. 3
5
PY 0.11 0.15 0.23 0.25 0.13 0.13
8. What is the mean of the probability distribution?
2.223
b. 2.33
c.2.43
9. What is the variance of the probability distribution?
a 1.25
b.2.25
c. 3.25
10 What is the standard deviation of the probability distribution?
a. 1.25
b. 1.50
© 200
d. 4.25
d 2.25​