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Author Question: For the normal approximation to the binomial distribution with p = 1/2 and n = 100, what is the ... (Read 106 times)

RODY.ELKHALIL

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on: Jun 20, 2018
For the normal approximation to the binomial distribution with p = 1/2 and n = 100, what is the z-score corresponding to X = 60?
 
  A) z = 0.4
  B) z = 2.0
  C) z = 0.2
  D) z = 1.0

Question 2

A researcher conducts a repeated-measures study to evaluate a treatment with a sample of n = 16 participants and obtains a t statistic of t = 1.94. The treatment is expected to increase scores and the sample mean shows an increase. What is the correct decision for a hypothesis test using  = .05?
 
  A) Reject the null hypothesis with a one-tailed test but fail to reject with two tails.
  B) Reject the null hypothesis with either a one-tailed or a two-tailed test.
  C) Fail to reject the null hypothesis with either a one-tailed or a two-tailed test.
  D) Fail to reject the null hypothesis with a one-tailed test but reject with two tails.


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Anna

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Reply #1 on: Jun 20, 2018
Answer to Question 1

B

Answer to Question 2

A


RODY.ELKHALIL

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Reply 2 on: Jun 20, 2018
YES! Correct, THANKS for helping me on my review

tandmlomax84

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Reply 3 on: Yesterday
:D TYSM

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