Quiz 5

Question 1

To calculate the probability of an event, we need to know what two things?

Answer 1

How many outcomes satisfy the criteria of our event

The total number of outcomes possible

Question 2

The total number of outcomes possible

Answer 2

The size of the slice corresponds to the area of the chart taken up by that slice

The percentage for a specific category can be represented as a decimal

Total area of the chart is equal to 100% or 1.0, which makes the size of the slices interpretable.

All statements are correct in the above statements.

Question 3

We can interpret areas under the normal curve as probabilities that correspond to z-scores.

Answer 3

True

Question 4

If we randomly chose a z-score from all possible z-scores , what is the probability it will occur between z = -1.00 and z = +1.00?

Answer 4

68 percent chance or .68 probability.