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Author Question: The waiting time (in minutes) between ordering and receiving your meal at a certain restaurant is ... (Read 83 times)

D2AR0N

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on: Jun 24, 2018
The waiting time (in minutes) between ordering and receiving your meal at a certain restaurant is exponentially distributed with a mean of 10 minutes. The restaurant has a policy that your meal is free if you have to wait more than 25 minutes after ordering. What is the probability of receiving a free meal?
 
  A) 0.329680 B) 0.917915 C) 0.670320 D) 0.082085

Question 2

Find a value of the standard normal random variable z, called z0, such that P(z  z0 ) = 0.70.
 
  A) -.53 B) -.81 C) -.47 D) -.98


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javimendoza7

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Reply #1 on: Jun 24, 2018
Answer to Question 1

D

Answer to Question 2

A


D2AR0N

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Reply 2 on: Jun 24, 2018
Gracias!

duy1981999

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Reply 3 on: Yesterday
Wow, this really help

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