Graph Probability Distribution

If you select one adult at a random from this community, what is the probability that the adults is employed as part -time?

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

• 0

• 1

• 2

• 3

The graph of a Normal distribution is _________ to the x axis.

What percent of people within 3 standard deviations of the mean?

• 99.7

• 34

• 68

• 95

What percent of people within 1 standard deviation of the mean?

• 99.7

• 34

• 68

• 95

What percentage of the data is between 0 and -1 standard deviations

• 34%

• 50%

• 2.35%

• 13.5%

What percentage of the data is between 1 and 2 standard deviations

• 34%

• 50%

• 2.35%

• 13.5%

What percentage of the data is between -2 and -3 standard deviations

• 34%

• .15%

• 2.35%

• 13.5%

What percentage of the data is greater than 3 standard deviations

• 34%

• .15%

• 2.35%

• 13.5%

Which best describes the shaded part of this normal distribution graph?

• All data that is one or higher.

• All data that is one or more standard deviations above the mean.

• All data that is between 1 and 3.

• All data that is above the mean.