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Author Question: What is the probability that a respondent chosen at random enjoys or does not enjoy shopping for ... (Read 77 times)

segrsyd

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on: Jun 24, 2018
What is the probability that a respondent chosen at random enjoys or does not enjoy shopping for clothing?

Question 2

The number of degrees of freedom needed to construct 90 confidence interval for the difference between means when the data are gathered from paired samples, with 15 observations in each sample, is:
 a. 30 b. 15
  c. 28 d. 14


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carlsona147

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

P(enjoys or does not enjoy shopping for clothing) = (720 + 280) / 1000 = 1.00

Answer to Question 2

d


segrsyd

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

xthemafja

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Reply 3 on: Yesterday
:D TYSM

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