Inverse Normal Distribution Practice

The area under the standard normal curve is 0.5000. With a mean of 0 and standard deviation of 1, what is the x value?

• 0.0

• 0.5

• 1.0

• -0.5

The area under the standard normal curve is 0.2611. With a mean of 0 and standard deviation of 1, what is the x value?

• -0.46

• -0.64

• -0.74

• -0.36

The area under the standard normal curve is 0.0250. With a mean of 0 and standard deviation of 1, what is the x value?

• -1.96

• -1.64

• -2.33

• -2.05

The area under the standard normal curve is 0.9987. With a mean of 0 and standard deviation of 1, what is the x value?

• 2.88

• 3.01

• 2.75

• 3.50

Assume that weights of NFL football players are normally distributed, with the average

weight for an NFL player being 246.9 pounds, and the standard deviation being 24 pounds.

What weight do the lightest 25% of the players play at?

• 230.71 lbs

• 263.09 lbs

• 245.81 lbs

• 205.64 lbs

Assume that weights of NFL football players are normally distributed, with the average

weight for an NFL player being 246.9 pounds, and the standard deviation being 24 pounds.

How heavy are the top 10% of NFL players?

• 216.14 lbs

• 229.67 lbs

• 277.66 lbs

• 301.54 lbs

Assume that weights of NFL football players are normally distributed, with the average

weight for an NFL player being 246.9 pounds, and the standard deviation being 24 pounds.

Between what two weights do 50% of the players play at?

• Between 222.90 pounds and 270.19 pounds

• Between 230.71 pounds and 263.09 pounds

• Between 200.35 pounds and 292.76 pounds

• Between 240.21 pounds and 252.39 pounds

Assume that weights of NFL football players are normally distributed, with the average

weight for an NFL player being 246.9 pounds, and the standard deviation being 24 pounds.

How much do the top 5% of NFL players weigh?

• 257.75 lbs

• 207.42 lbs

• 246.90 lbs

• 286.38 lbs

The diagram shows the normal distribution of SAT scores for the school.

What percentage of students scored above a 900 on the SAT?

• 10%

• 77.34 %

• 22.66%

• 33. 7%

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% .

• 69.98 in

• 71.18 in

• 72.40 in

• 73.01 in

Tags

CCSS.HSS.ID.A.4