Left:0:56:00 Sukhwinder Varn: Attempt 1 Question 10 (1 point) Listen An automobile manufacturer wishes to estimate the mean gasoline mileage of its new compact model. The standard deviation is known to be 1.5 mpg. How many sample runs must they take to be 99% certain that the error of estimation does not exceed 0.2 mpg? They must take at least 153 sample runs They must take at least 373 sample runs They must take at least 68 sample runs They mus take at least 217 sample runs They must take at leat 20 sample runs Question 11 (1 point)