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Author Question: Given that z is a standard normal random variable and that the area to the right of z is 0.1949, ... (Read 27 times)

iveyjurea

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on: Jun 24, 2018
Given that z is a standard normal random variable and that the area to the right of z is 0.1949, then the value of z must be:
 a. 0.51.
  b. -0.51.
  c. 0.86.
  d. -0.86.

Question 2

True or False When a great many simple random samples are drawn from a population that is normally distributed, the same means will also be normally distributed only when the sample size is greater than 30.
  Indicate whether the statement is true or false


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blakeserpa

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

C

Answer to Question 2

F


iveyjurea

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Reply 2 on: Jun 24, 2018
Gracias!

bitingbit

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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