According to a manager it takes an average weekday commute of 39 minutes with a Standard Deviation of 7
minutes for the employees to get to work when they use their personal vehicles for their office commute while
management set a policy of not more than 40 minutes for their daily one-way commute. A survey conducted
one day on 70 employees showed an average of 34 minutes commuting time using the metro public
transportation system with a Standard Deviation of 21 minutes. For the employees choosing to increase their
chances to come on time using personal transportation their variation should be reduced to ___________?
The Empirical Rule is important because it provides an estimate of the probability of an event occurring
depending on the Standard Deviation from the Mean.