among the thirty largest us cities, the mean one-way commutetime to work is 25.8 minutes. the longest one-way travel time is innew york city, where the mean is 37.7 minutes. assume thedistribution of travel time in new york city follows the normalprobability distribution and the standard deviation is 6.7minutes.
A. What percent of the New York City commutes are for less than27 minutes? (Round your intermediate calculations and final answerto 2 decimal places)
B. What percent are between 27 and 33 minutes?  (Roundyour intermediate calculations and final answer to 2 decimalplaces)
C. What percent are between 27 and 47 minutes?  (Roundyour intermediate calculations and final answer to 2 decimalplaces)