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Author Question: Find the z-scores for which 98 of the distributions area lies between -z and z. A) (-2.33, 2.33 ) ... (Read 131 times)

D2AR0N

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on: Jul 24, 2018
Find the z-scores for which 98 of the distributions area lies between -z and z.
 
  A) (-2.33, 2.33 ) B) (-1.645, 1.645 ) C) (-1.96, 1.96 ) D) (-0.99, 0.99 )

Question 2

Find the standardized test statistic estimate, z, to test the hypothesis that p1 > p2. Use  = 0.01. The sample statistics listed below are from independent samples. Sample statistics: n1 = 100, x1 = 38, and n2 = 140, x2 = 50
 
  A) 0.362 B) 2.116 C) 1.324 D) 0.638


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Animal_Goddess

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

A

Answer to Question 2

A


D2AR0N

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Reply #2 on: Jul 24, 2018
Thank you!


Animal_Goddess

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Reply #3 on: Jul 24, 2018
Always glad to help...


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