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Author Question: A survey of 500 non-fatal accidents showed that 142 involved uninsured drivers. Construct a 99 ... (Read 140 times)

a0266361136

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on: Jul 25, 2018
A survey of 500 non-fatal accidents showed that 142 involved uninsured drivers. Construct a 99 confidence interval for the proportion of fatal accidents that involved uninsured drivers. Round to the nearest thousandth.
 
  What will be an ideal response?

Question 2

A psychologist wants to measure the effect of music on memory. He randomly selects 80 students and measures their scores on a memory test conducted in silence.
 
  The next day he measures their scores on a similar test conducted while classical music is playing. The mean score without music is compared to the mean score with music.
  A) qualitative, independent B) quantitative, independent
  C) quantitative, dependent D) qualitative, dependent


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Awesome

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

(0.232, 0.336)

Answer to Question 2

C


a0266361136

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Reply #2 on: Jul 25, 2018
Thanks


Awesome

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Reply #3 on: Jul 25, 2018
Welcome :)


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