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Author Question: A nationwide survey claimed that at least 65 of parents with young children condone spanking their ... (Read 127 times)

robinn137

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on: Jul 24, 2018
A nationwide survey claimed that at least 65 of parents with young children condone spanking their child as a regular form of punishment.
 
  In a random sample of 100 parents with young children, how many would need to say that they condone spanking as a form of punishment in order to refute the claim at a = 0.5? A) You would need 57 or less parents to support spanking to refute the claim.
  B) You would need exactly 57 parents to support spanking to refute the claim.
  C) You would need 58 or less parents to support spanking to refute the claim.
  D) You would need more than 57 parents to support spanking to refute the claim.

Question 2

Suppose that M and N are two events, P(M) = 0.23, P(N) = 0.08, and P(M and N) = 0.05. What is P(MN)?
 
  A) 0.625 B) 0.217 C) 0.030 D) 0.260


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flexer1n1

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

A

Answer to Question 2

A


robinn137

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Reply 2 on: Jul 24, 2018
Excellent

amynguyen1221

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Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

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