Asked by Sara

A certain car model has a mean gas mileage of 30 miles per gallon (mpg) with a standard deviation A pizza delivery company buys 57 of these cars. What is the probability that the average mileage of the fleet is greater than
30.3 mpg.
Answered by PsyDAG
It would help if you proofread your questions before you posted them.

No standard deviation.
Answered by Sara
The standard deviation is 3
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