Question

The time it takes a person to wash the dishes is uniformly distributed between 7 minutes...

The time it takes a person to wash the dishes is uniformly distributed between 7 minutes and 12 minutes. What is the probablity that a randomly selected event of washing dishes will take a person between 8 and 10 minutes? Round your answer accurate to two decimal places.
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Answer #1

Solution:

X follows Uniform(a = 7 , b = 12)

P(8 < X < 10)

=  

=

=  

=

Answer : P(8 < X < 10) = 0.40

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