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Author Question: A random variable X has a normal distribution with mean 132 and variance 36 . If x = 120, its ... (Read 63 times)

beccaep

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on: Jun 24, 2018
A random variable X has a normal distribution with mean 132 and variance 36 . If x = 120, its corresponding value of Z is 2.0.
  Indicate whether the statement is true or false

Question 2

A random variable X is standardized by subtracting the mean and dividing by the variance.
  Indicate whether the statement is true or false


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ecabral0

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

F

Answer to Question 2

F


beccaep

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Reply 2 on: Jun 24, 2018
Thanks for the timely response, appreciate it

xiazhe

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Reply 3 on: Yesterday
Wow, this really help

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