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Author Question: A random variable X has a normal distribution with a mean of 250 and a standard deviation of 50 . ... (Read 38 times)

lidoalex

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on: Jun 24, 2018
A random variable X has a normal distribution with a mean of 250 and a standard deviation of 50 . Given that X = 175, its corresponding value of Z is -1.50.
  Indicate whether the statement is true or false

Question 2

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


guyanai

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

T

Answer to Question 2

F


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