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

Q. 2

A normal distribution is symmetric; therefore the probability of being below the mean is 0.50 and the probability of being above the mean is 0.50.
  Indicate whether the statement is true or false

Q. 3

If we standardize the normal curve, we express the original X values in terms of their number of standard deviations away from the mean.
  Indicate whether the statement is true or false

Q. 4

If your golf score is 3 standard deviations below the mean, its corresponding value on the Z distribution is -3.
  Indicate whether the statement is true or false
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brewed/bottledbrewed/bottled
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6 years ago
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tawanya Author
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#2
6 years ago
Electric Light Bulb All of these are right, thanks!
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