Finding Area from Value Normal Curve

In a survey of men in the United States (ages 20-29), the mean height was 69.6 inches with a standard deviation of 3.0 inches. Find the minimum height in the top 17.5%. (Hint, inverse normal uses the area to the left of the value)

• 69.98 in

• 71.18 in

• 72.40 in

• 73.01 in

In a Standard Distribution Curve, find the z-score for the lowest 7th percentile.

At Chili's, the average wait time to receive your meal is 22 minutes with a standard deviation of 9 minutes. What is the wait time for the top 12% ? Round to the nearest minute.

• 39 minutes

• 37 minutes

• 33 minutes

• 31 minutes

Suppose the amount of soda in a can is normally distributed; the mean is 16 oz and standard deviation is 0.4 oz. How much soda is in the heaviest 3% of cans?

Find the area under the standard normal curve that lies to the left of z=2.1.

• 79%

• -1.79%

• 98.21%

• 0.98%

What is the area under the curve between z = 0 and z = 1.45?

• .9265

• .4265

• .4500

• .5000

Find the area under the standard normal curve to the left of z = -1.76.

• 0.0392

• 0.9608

• 2.105

• 0.9804

Find the area under the standard normal curve that lies between z=-0.5 and z=1.5.

• 62.46%

• 72.47%

• 5.40%

• 62.47%

What is the area under the curve between z = 1 and z = 0 ?

• .68

• .34

• 1

• .8413

What is the area under the standard normal curve to the right of z = -1.50?

• 0.121

• 0.367

• 0.884

• 0.933