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Author Question: The time (in years) until the first critical-part failure for a certain car is exponentially ... (Read 71 times)

Brittanyd9008

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on: Jun 24, 2018
The time (in years) until the first critical-part failure for a certain car is exponentially distributed with a mean of 3.4 years. Find the probability that the time until the first critical-part failure is less than 1 year.
 
  A) 0.254811 B) 0.745189 C) 0.966627 D) 0.033373

Question 2

Find a value of the standard normal random variable z, called z0 , such that P(-z0  z  z0 ) = 0.98.
 
  A) 2.33 B) .99 C) 1.645 D) 1.96


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steff9894

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

A

Answer to Question 2

A


Brittanyd9008

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Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

amynguyen1221

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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