A Machine is set to pump cleanser in a procedure at the rate of 7 gallons per minute. On inspection, it is learned that the machine actually pumps cleanser at the rate stated by the uniform distribution over the interval 6.5 to 9.5 gallons per minute. Determine the probability that between 7.0 gallons and 8.0 gallons are are pumped during a randomly selected minute.
a) 0.33
b) 1
c) 0.67
d) 0