4. [-I1 Points] | DETAILS MENDSTATC26.MC.043. | MY NOTES ASKYOURTEACHER Given that Z is a standard normal random variable, the area to the left of a value 2 is expressed as: 3. 09(2 5 z s 0) b. OP(Z 2 -z) c. Omz s 2) cl. OP(O 5 z s z) e. OP(Z 2 2) Need Help? _ 5. [-11 Points] DETAILS MENDSTATCZ 6.MC.045. MY NOTES ASK YOUR TEACHER Given that Z is a standard normal random variable, P(Z > >158) is: a. 00.9429 b. 004429 c. 00.6910 cl. 00.0571 e. 00.5571 Need Help? _ 6. [-11 Points] MENDSTATCZ 6.MC.040. MY NOTES ASK YOUR TEACHER IfZ is a standard normal random variable, then P(-1.75 5 Z S -1.25) is: 5. 00.5543 b. 00.1056 c. 00.0401 d. 00.0655 e. 00.165 Need Help? 7. [-11 Points] DETAILS MENDSTATCZ 6.MC.037. MY NOTES ASK YOUR TEACHER Given that Z is a standard normal random variable, P(-1.0 S 2 S 1.5) is: a. 00.3413 0. 00.9332 c. 00.0919 d. 00.7745 e. 01.932 Need Help? 8. [-11 Points] DETAILS MENDSTATCZ 6.MC.042. MY NOTES ASK YOUR TEACHER If the random variable X is normally distributed with a mean of 75 and a standard deviation of 8, then P(X Z 75) is: a. 00.975 in. 00.125 c. 00.500 d. 00.625 e. 00.250 Need Help? 9- [-11 Points] DETAILS MENDSTATCZ 6.MC.031. MY NOTES ASK YOUR TEACHER If the random variable x is normally distributed with a mean equal to .45 and a standard deviation equal to .40, then P(X Z .75) is: a. 0.2265 in. 0.7734 c. 0.7500 d. 0.2734 e. 0.4525