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Author Question: What is the probability that the machine is off-line between 21 and 27 minutes? What will be an ... (Read 67 times)

PhilipSeeMore

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on: Jun 24, 2018
What is the probability that the machine is off-line between 21 and 27 minutes?
 
  What will be an ideal response?

Question 2

The Student's t-distribution is required to determine the confidence interval for the difference between two normal population means with unknown population variances.
 
  Indicate whether the statement is true or false


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Meganchabluk

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

21 to 27 minutes represents 40 of the distance between 15 and 30 minutes.
Hence, P(21  X 27 ) = 0.40.

Answer to Question 2

TRUE


PhilipSeeMore

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

Mochi

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

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