The graph to the right is the uniform probability density function for a friend
ID: 2945974 • Letter: T
Question
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 15 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 between15 and 30minutes 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 ___ minutes. (Type a whole? number).
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 15 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 between15 and 30minutes 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 ___ minutes. (Type a whole? number).
1/30 0 20 Time (min) 0 10 30 XExplanation / Answer
a)probability that the friend is between 15 and 30 minutes late =P(15<X<30)=(30-15)/30=0.50
b) There is a 50?% probability the friend will arrive within 15 minutes.
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