Author Question: The time of a telephone call (in minutes) to a certain town is a continuous random variable with a ... (Read 70 times)

anshika · **on:** Jun 16, 2021

Question 1

The time needed to repair a machine follows an exponential distribution with mean 33 minutes. What is the probability that the next repair of this machine will take 8 minutes or less?
◦ 0.2153
◦ 0.1615
◦ 0.2583
◦ 0.1722

Question 2

The time of a telephone call (in minutes) to a certain town is a continuous random variable with a probability density function defined by

for

Find the probability:

◦ 0.3066
◦ 0.8027
◦ 0.6934
◦ 0.9630

TDubDCFL · **Reply #1 on:** Jun 16, 2021

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