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Author Question: A quality control engineer is interested in estimating the proportion of defective items coming off ... (Read 109 times)

fahad

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on: Jun 24, 2018
A quality control engineer is interested in estimating the proportion of defective items coming off a production line. In a sample of 300 items, 27 are defective. A 90 confidence interval for the proportion of defectives from this production line would go from ________ to ________.
 
  Fill in the blank(s) with correct word

Question 2

The interval between patients arriving at an outpatient clinic follows an exponential distribution at a rate of 1 patient per hour. What is the probability that a randomly chosen arrival interval will be more than 2.5 hours?
 
  What will be an ideal response?


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elizabethrperez

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

0.063 to 0.117

Answer to Question 2

0.0821


fahad

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Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)

bassamabas

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

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