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The average employee in the USA spends 16 minutes commuting to work each day. assume that the distribution of commute times is normal with a standard deviation of 6 minutes. what is the minimum number of minutes you would have to drive to be the 90th percentile of driving time?

Sagot :

sqdancefan

Answer:

  23.7 minutes

Step-by-step explanation:

You want the 90th percentile driving time if times are normally distributed with a mean of 16 minutes and a standard deviation of 6 minutes.

Probability calculator

The 90th percentile driving time is found using the inverse normal CDF. A suitable statistics calculator shows you it is 23.7 minutes.

View image sqdancefan
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