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 A.M. There is a 50% probability the friend will arrive within how
many minutes?
(a) The probability that the friend is between 25 and 30 minutes late is
(Type an integer or a decimal. Round to three decimal places as needed.)
(b) There is a 50% probability the friend will arrive within
(Type a whole number.)
minutes.
Demity
1/30-
10 20 30X
Time (min)
선
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