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?

Algebra ->  Rational-functions -> 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?       Log On


   

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