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A continuous random variable x has a normal distribution either the mean of 70 and standard...

A continuous random variable x has a normal distribution either the mean of 70 and standard deviation of 12. If the x score for x is negative, then which of the following is true?

A) x is less than 70

B) x cannot be greater than or equal to the mean

C) x may be below 42

D) All of the above

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Answer #1

Option A) is correct.

A) x is less than 70

We have given ,

X\sim N(\mu=70,\sigma=12)

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