Author Question: A random variable X has a normal distribution with a mean of 250 and a standard deviation of 50 . ... (Read 80 times)

lidoalex

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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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Answer to Question 1

T

Answer to Question 2

F



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