Ace Heating and Air Conditioning service finds that the amount of time a repairman needs to fix a furnace is uniformly distributed between 1.5 and 4 hours.

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written 6.7 years ago by

teamques10 ★ 70k

• modified 5.6 years ago

i) Find the probability that a randomly selected furnace repair requires more than 2 hours. ii) Find the probability that a randomly selected furnace repair requires less than 3 hours. iii) Find the mean and standard deviation.

computer simulation and modelling

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written 6.6 years ago by

teamques10 ★ 70k

i) Probability that a randomly selected furnace repair require more than 2 hours

Let x be random variable that denotes the amount of time a repairman needs to fix a furnace. When X is uniformly distributed between (1.5, 4 ) (a, b)

So, required probablity is - $1 - P(0 …

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