A uniform distribution is defined over the interval from 6 to 10

A uniform distribution is defined over the interval from 6 to 10.

a. What are the values for a and b?
b. What is the mean of this uniform distribution?
c. What is the standard deviation?
d. Show that the total area is 1.00.
e. Find the probability of a value more than 7.
f. Find the probability of a value between 7 and 9.