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Author Question: An Epson inkjet printer ad advertises that the black ink cartridge will provide enough ink for an ... (Read 132 times)

ETearle

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on: Jun 24, 2018
An Epson inkjet printer ad advertises that the black ink cartridge will provide enough ink for an average of 245 pages. Assume that this claim is accurate and that the standard deviation for this population is 15 pages.
 
  A random sample of 33 customers was surveyed about the number of pages they were able to print with their black ink cartridges. What the probability that the sample mean will be 246 pages or less?A) 0.6480
  B) 0.8729
  C) 0.3520
  D) 0.1093

Question 2

Weighted moving average is an example of a ________ forecasting technique.
 
  A) smoothing
  B) regression analysis
  C) multiplicative decomposition
  D) seasonal
Business Statistics ¦ Donnelly ¦ 2nd Edition
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cadimas

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

A

Answer to Question 2

A


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