Multiple Choice
A certain car model has a mean gas mileage of 28 miles per gallon (mpg) with a standard deviation 5 mpg. A pizza delivery company buys 37 of these cars. What is the probability
That the average mileage of the fleet is between 27.2 and 28.8 mpg?
A) 0.1660
B) 0.8340
C) 0.6680
D) 0.3320
Correct Answer:

Verified
Correct Answer:
Verified
Q5: Use the normal approximation to find
Q6: The mean number of pets per household
Q7: The correction factor is important if a
Q8: In applied statistics, it is the area
Q9: The average charitable contribution itemized per income
Q11: <span class="ql-formula" data-value="\text { Find the }
Q12: <span class="ql-formula" data-value="\text { Find the area
Q13: The average diameter of sand dollars on
Q14: The mean annual income for people in
Q15: The average salary of a male full