Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution. Find the probability of the given range of pounds lost.

1. More than 11 pounds

a ...1429

b. 0.6667

c ...8333

d ...1667

2. Less than 11 pounds

a ...1667

b ...7143

c ...3333

d ...8333

3. Between 8 pounds and 11 pounds

a ...3333

b ...6667

c ...6000

d ...2500