Normal and Binomial Probabilities Practice

Which of the following is NOT a property of the normal distribution?

• It is symmetric about the mean.

• It is defined only for positive values.

• The mean, median, and mode are equal.

Which of the following statements about the binomial distribution is TRUE?

• The trials are dependent.

• Each trial has only two possible outcomes.

• The probability of success changes from trial to trial.

• The number of trials can be infinite.

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

Tags

CCSS.HSS.ID.A.4

CCSS.HSS.MD.A.2

CCSS.HSS.MD.A.3

Which of the following is a characteristic of a binomial distribution?

• The probability of success varies with each trial.

• There are more than two possible outcomes per trial.

• The trials are independent.

• The number of trials is unlimited.