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Author Question: Suppose that the random variable x has an exponential distribution with = 3.a. Find the probability ... (Read 114 times)

xclash

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Question 1

The time between arrivals at an ATM machine follows an exponential distribution with θ = 10 minutes. Find the mean and standard deviation of this distribution.
◦ Mean = 3.16, Standard Deviation = 3.16
◦ Mean = 10, Standard Deviation = 10
◦ Mean = 10, Standard Deviation = 3.16
◦ Mean = 10, Standard Deviation = 100

Question 2

Suppose that the random variable x has an exponential distribution with θ = 3.

a. Find the probability that x assumes a value more than three standard deviations from μ.
b. Find the probability that x assumes a value less than one standard deviation from μ.
c. Find the probability that x assumes a value within a half standard deviation of μ.


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Marked as best answer by xclash on Feb 14, 2020

meryzewe

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xclash

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Reply 2 on: Feb 14, 2020
Great answer, keep it coming :)


nguyenhoanhat

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Reply 3 on: Yesterday
Gracias!

 

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