Normal distribution and probability

Front

Probability is ...

Back

the chance that some event will occur.

Front

It is ________ you will pick red, green, or blue.

Back

certain

Front

What is the probability of selecting an orange candy?

Back

100%

Front

According to the empirical rule, how much of the data falls within 3 standard deviations?

Back

99.7%

Front

A regular 6-sided die is to be rolled one time. What is the probability that the number 5 is rolled?

Back

1/6

Front

What is a normal distribution?

Back

A probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Front

What is the mean in a normal distribution?

Back

The average of all data points, which is also the peak of the normal distribution curve.

Front

What is the standard deviation?

Back

A measure of the amount of variation or dispersion in a set of values.

Front

What does the area under the normal distribution curve represent?

Back

The total probability of all outcomes, which equals 1.

Front

What is the empirical rule?

Back

In a normal distribution, approximately 68% of the data falls within one standard deviation of the mean, 95% within two, and 99.7% within three.