Normal Probability Curve

Which value is found at the center of the normal curve?

• Mean

• Median

• Mode

• All of the Above

What is another name for normal distribution?

• Gaussian distribution

• Poisson distribution

• Bernoulli’s distribution

• Probability distribution

What is the total area in the distribution under the curve?

• 0

• 1

• 2

• 3

The actual weight of bags of mixed vegetables is normally distributed with a mean weight of 16.0 oz and a standard deviation of 0.1 oz. Find the number of bags of mixed vegetables in a shipment of 800 bags that weigh between 15.9 oz and 16.1 oz

• 544

• 272

• 760

• 798

The normal distribution curves represents U.S. female heights. What percentage of females are between 5'6.5" and 5'11"?

• 68%

• 95%

• 16%

• 81%

The ages of the population of people living in Meru area in Ipoh are Normally distributed with mean 43 and standard deviation 14

The town has a population of 5,000.

How many would you expect to be aged between 22 and 57?

• 1750

• 2860

• 3870

• 4330

What is the probability that a score is above (right of) 2.37?

• .0116

• .0089

• .0068

• .0051

Scores on an exam are normally distributed with a mean of 76 and a standard deviation of 10. *In a group of 230 tests, how many students score above 96?* Round to the nearest whole number.

• 6

• 5

• 78

• 31

The actual weight of bags of mixed vegetables is normally distributed with a mean weight of 16.0 oz and a standard deviation of 0.1 oz. What percent of mixed vegetables is between 15.8 and 15.9?

• 34%

• 13.5%

• 2.5%

Scores on an exam are normally distributed with a mean of 76 and a standard deviation of 10. *In a group of 230 tests, how many students score between 66 and 86?* Round to the nearest whole number.

• 156

• 157

• 62

• 218