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Author Question: Find the z-scores for which 90 of the distributions area lies between -z and z. A) (-1.645, 1.645 ... (Read 109 times)

clippers!

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on: Jul 24, 2018
Find the z-scores for which 90 of the distributions area lies between -z and z.
 
  A) (-1.645, 1.645 ) B) (-2.33, 2.33 ) C) (-1.96, 1.96 ) D) (-0.99, 0.99 )

Question 2

Find the standardized test statistic, z to test the hypothesis that p1 = p2. Use  = 0.05. The sample statistics listed below are from independent samples. Sample statistics: n1 = 50, x1 = 35, and n2 = 60, x2 = 40
 
  A) 0.374 B) 0.982 C) 1.328 D) 2.361


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Pswine

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

A

Answer to Question 2

A


clippers!

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Reply 2 on: Jul 24, 2018
Gracias!

zacnyjessica

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Reply 3 on: Yesterday
:D TYSM

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