You can walk 112 miles in 12 hour.

What is your average speed?
a. 34 mile per hour
b. 1 mile per hour
c. 3 miles per hour
d. 2 miles per hour

Suppose that prices of a gallon of milk at various stores in one town have a mean of $3.71 with a standard deviation of $0.10. using chebyshev's theorem, what is the minimum percentage of stores that sell a gallon of milk for between $3.41 and $4.01? round your answer to one decimal place.