For items 24-26, refer to the probability distribution below.

24. What is the mean of the probability distribution?
a. 1.5 c.1.6
b. 1.2 d.1.8
25. What is the variance of the probability distribution?
a. 0.75
b. 1.00
c. 1.25
d. 0.50
26. What is the standard of the probability distribution?
a. 1.00 b.0.87 c. 1.12 d. 0.71​