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Author Question: Standard normal scores have a mean of zero and a standard deviation of one. Indicate whether the ... (Read 194 times)

LaDunn

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on: Jul 24, 2018
Standard normal scores have a mean of zero and a standard deviation of one.
  Indicate whether the statement is true or false

Question 2

Events A and B are defined on a sample space, with P(A) = 0.8 and P(B  A) = 0.3 . What is the probability that A and B can both occur at the same time?

Question 3

All normal distributions have the same general probability function and distribution.
  Indicate whether the statement is true or false


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emily12345

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

T

Answer to Question 2

P(A and B) = P(A) P(B  A) = (0.8)(0.3) = 0.24

Answer to Question 3

T


LaDunn

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Reply 2 on: Jul 24, 2018
YES! Correct, THANKS for helping me on my review

upturnedfurball

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Reply 3 on: Yesterday
Excellent

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