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Solve the Problem. -The Length of Telephone Calls (In Minutes) in a Public

Question 31

Multiple Choice

Solve the problem.
-The length of telephone calls (in minutes) in a public telephone booth has the probability density function: Solve the problem. -The length of telephone calls (in minutes) in a public telephone booth has the probability density function: Determine the probability that a call selected at random will last longer than seven minutes. (Round answer to two decimal places.) A) 0.42 B) 0.31 C) 0.39 D) 0.54 Determine the probability that a call selected at random will last longer than seven minutes. (Round answer to two decimal places.)


A) 0.42
B) 0.31
C) 0.39
D) 0.54

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