The graph to the right is the uniform probability density function for a friend who is x minutes late
The graph to the right is the uniform probability density function for a friend who is x minutes late
(a) Find the probability that the friend is between 25 and 30 minutes late.
(b) It is 10 AM. There is a 10% probability the friend will arrive within how many minutes?
(a) The probability that the friend is between 25 and 30 minutes late is _______
Homework Answers
a) Find the probability that the friend is between 25 and 30 minutes late
Area of the rectangle= (30-25) * 1/30 = 1/6 = 0.167
The probability is = 0.167
b) It is 10 A.M. There is a 10% probability the friend will arrive within how many minutes?
= x * 1/30 = 0.1
=0.1*30 = 3
There is a 10% probability the friend will arrive within 3 minutes
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The graph to the right is the uniform probability density function for a friend who is x minutes late
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