SOLUTION: A machine pumps cleanser into a process at a rate which has a uniform distribution over the interval 8.30 to 11.60 litres per minute. Calculate the variance of the pump rate of

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Question 1121746: A machine pumps cleanser into a process at a rate which has a uniform distribution over the interval 8.30 to 11.60 litres per minute.
Calculate the variance of the pump rate of the machine.
Give your answer correct to 1 decimal place.
Thank you so much in advance

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
variance is (b-a)^2/12
3.30^2/12=0.9
90.8%