SOLUTION: The time it takes a person to wash the dishes is uniformly distributed between 11 minutes and 18 minutes. What is the probability that a randomly selected event of washing dishes w

Question 1195437: The time it takes a person to wash the dishes is uniformly distributed between 11 minutes and 18 minutes. What is the probability that a randomly selected event of washing dishes will take a person between 15 and 17 minutes? Round your answer accurate to two decimal places.

Answer by ikleyn(52803) (Show Source): You can put this solution on YOUR website!
.


The "base" time interval is  18-11 = 7 minutes long.


The working interval is 17-15 = 2 minutes long.


Since the time is uniformly distributed, the answer to the problem's question is this ratio

    P =  = .    ANSWER

Solved.

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