Posted by **Anonymous** on Monday, March 4, 2013 at 10:30pm.

John drives to work each morning and the trip takes an average of µ = 38 minutes. The

distribution of driving times is approximately normal with a standard deviation of σ = 5

minutes. For a randomly selected morning, what is the probability that John’s drive to

work will take less than 35 minutes?

- math -
**Dr. Jane**, Tuesday, March 5, 2013 at 8:49am
You have to find a z-score.

35-38 divided by 5.

Now, that you have the z-value, use a table or a calculator to find the area under the normal curve to the left of your z-value. This is the probability that it will take him less than 35 minutes to get to work.

This is really a Statistics problem. Make sure your subject line says Statistics and you will get help a little faster.

- math -
**Dill**, Sunday, February 28, 2016 at 12:18pm
0.6554

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