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Author Question: Suppose the time to wait for placing an order at a drive-through window has a uniform distribution ... (Read 79 times)

Yolanda

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on: Jul 24, 2018
Suppose the time to wait for placing an order at a drive-through window has a uniform distribution between 0 and 8 minutes. What is the interquartile range for waiting time?

Question 2

The confidence level for a confidence interval for a mean is
 a. the probability the procedure provides an interval that covers the sample mean.
  b. the probability of making a Type 1 error if the interval is used to test a null hypothesis about the population mean.
  c. the probability that individuals in the population have values that fall into the interval.
  d. the probability the procedure provides an interval that covers the population mean.


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Liddy

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

IQR = 6  2 = 4 minutes.

Answer to Question 2

D


Yolanda

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

xiazhe

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

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