I have to answer questions 2-4, 9-11, and 29-34.

2) What is the total area under the normal curve?

3) Draw two normal curves that have the same mean but different standard deviations. Describe the similarities and differences.

4) Draw two normal curves that have different means but the same standard deviations. Describe the similarities and differences.

For questions 29-34, I am supposed to find the indicated area under the standard normal curve.

29) To the left of z= -2.575

30) To the left of z= -3.08

31) To the right of z= 1.645

32) To the right of z= 2.51

33) Between z= 0 and z= 1.96

34) Between z= 0 and z= 3.09