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Author Question: Assume that a study of 500 randomly selected school bus routes showed that 482 arrived on time. Is ... (Read 14 times)

rayancarla1

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on: Jul 25, 2018
Assume that a study of 500 randomly selected school bus routes showed that 482 arrived on time.
  Is it unusual for a school bus to arrive late?
 
  A) Yes B) No

Question 2

The customer service department of a phone company is experimenting with two different
  systems. On Monday they try the first system which is based on an automated menu system.
 
  On
  Tuesday they try the second system in which each caller is immediately connected with a live
  agent. A quality control manager selects a sample of seven calls each day. He records the time for
  each customer to have his or her question answered. The times (in minutes) are listed below.
  Automated Menu: 11.7 7.4 3.9 2.9 9.2 6.3 5.5
  Live agent: 6.2 2.9 4.4 4.1 3.4 5.2 3.7
  A) Automated Menu: 45.4
  Live agent: 26.3
  There is substantially more variation in the times for the automated menu system.
  B) Automated Menu: 48.8
  Live agent: 28.3
  There is substantially more variation in the times for the automated menu system.
  C) Automated Menu: 47.1
  Live agent: 27.3
  There is substantially more variation in the times for the automated menu system.
  D) Automated Menu: 25.2
  Live agent: 41.5
  There is substantially more variation in the times for the live agent.


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wfdfwc23

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Reply #1 on: Jul 25, 2018
Answer to Question 1

A

Answer to Question 2

A


rayancarla1

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  • Posts: 571
Reply 2 on: Jul 25, 2018
Great answer, keep it coming :)

Dinolord

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  • Posts: 313
Reply 3 on: Yesterday
Gracias!

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