SOLUTION: The electric­ vehicle manufacturing company Tesla esti­mates that a driver who commutes 50 miles per day in a Model S will require a nightly charge time of around 1 hour and 45 m

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Question 1152653: The electric­ vehicle manufacturing company Tesla esti­mates that a driver who commutes 50 miles per day in a Model S will require a nightly charge time of around 1 hour and 45 minutes (105 minutes) to recharge the vehicle’s battery (Tesla company website). Assume that the actual recharging time required is uniformly distributed between 90 and 120 minutes.
a. Give a mathematical expression for the probability density function of battery rechar­ging time for this scenario.
b. What is the probability that the recharge time will be less than 110 minutes?
c. What is the probability that the recharge time required is at least 100 minutes?
d. What is the probability that the recharge time required is between 95 and 110 minutes?

Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
it will be f(x)=1/(b-a), b=120 and a =90 units min
for <110 min it would be 20/30 or 2/3 prob.
at least 100 min would be 20/30 or 2/3
between 95 and 110 min is 15/30 or 1/2
greater than/less than include the number itself in a density function, since everything reduces to a dimensionless point.