statistics
posted by kkg .
If the probability of running out of gas is .03 and the probability the electronic starting system will not work is .01
a.) what is the probability there will be enough gas and that the starting system will work? assume the two events are independent
b.) when may independence be a poor assumption?

statistics 
PsyDAG
a. .97*.99 = ?
b. When one variable effects another.
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