Passengers using New York's MetroCard system must swipe the card at a rate between 8 and 36 inches per second, or else the card must be re-swiped through the card reader. Research shows that actual swipe rates by subway riders are uniformly distributed between 3 and 45 inches per second.

(a)What is the mean swipe rate?(Round your answer to 2 decimal places.)

Mean:_____________ inches per second

(b)What is the standard deviation of the swipe rate?(Round your answer to 2 decimal places.)

Standard deviation:_______________inches per second

(c)What are the quartiles?(Round your answers to 2 decimal places.)

1^stQuartileinches per second_________________ 3^rdQuartileinches per second__________________

(d)What percentage of subway riders must re-swipe the card because they were outside the acceptable range?(Round your answer to 2 decimal places.)

Re-swipe________________%