Which of the following is the area under the normal curve?

The curve is symmetrical to which of the following?

If the z-value is 0.42, what is the area?

Find the area if the value of z = -0.13.

If the area is 0.4977, what is the z-value?

Find the area between z=-1 and z=3.

Find the area between z= -1.5 and z=-1.3.

If the area is 0.8351, what are the two values of z.

Find the area of the proportion in the probability notation P(1<z<3).

Solve for the proportion of the area of the probability notation P(z>1).

Find the area of the proportion in the probability notation P(z>-2.5).

Given mean=180 and standard deviation= 15 in a college entrance examination, find the corresponding z-value of the score by the following students if X = 150.

From the given in number 12 where mean=180 and standard deviation=15, what is the z-value if X = 200?

What is the value of 70 th percentile?

What is the value of 82 nd percentile?