1) Assume thatxhas a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.)

=15.3;=3.8

P(10x26) =

2) Assume thatxhas a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.)

=14.0;=3.3

P(8x12) =

3) Assume thatxhas a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.)

=102;=16

P(x120) =

4)Assume thatxhas a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.)

=2.7;=0.33

P(x2)=

5) Findzsuch that2.9%of the standard normal curve lies to the left ofz. (Round your answer to two decimal places.)

z=

6) Findzsuch that4.5%of the standard normal curve lies to the right ofz. (Round your answer to two decimal places.)

z=

7) Find thezvalue such that98%of the standard normal curve lies betweenzandz. (Round your answer to two decimal places.)

z=