Suppose the times to cook meat on a grill are normally distributed with a mean of 23 minutes and a standard deviation of 1.9 minutes.

Suppose the times to cook meat on a grill are normally distributed with a mean of 23 minutes and a standard deviation of 1.9 minutes.

What is the difference in times between grilled meat that has a z-score of 2 and another meat that has a z-score of −1?

 

2.85 min

4.7 min

5.7 min

11.4 min