The time to complete an exam is approximately Normal with a mean = 40 minutes and a standard deviation = 4 minutes.
The bell curve below represents the distribution for testing times. The scale on the horizontal axis is equal to the standard deviation.
1. Fill in the indicated boxes.

2. Used the Empirical Rule to complete the following statements:
- 68% of testing times were between minutes and minutes.
- % of the testing times were between 32 minutes and 48 minutes.
- Question Help:
- Video