SOLUTION: If the random variable z is the standard normal score and a > 0, is it true that P(z > -a) = P(z < a)? Why or why not?

SOLUTION: If the random variable z is the standard normal score and a > 0, is it true that P(z > -a) = P(z < a)? Why or why not?

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Question 536950: If the random variable z is the standard normal score and a > 0, is it true that P(z > -a) = P(z < a)? Why or why not?

Answer by richard1234(7193) (Show Source): You can put this solution on YOUR website!
Yes, the standard normal curve is assumed to be symmetric.
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