1.Passengers using New York's MetroCard must swipe the card at a rate between 10 and 38 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 5 and 47 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^st Quartile _______ inches per second

3^rd Quartile ________ inches per second.

d.What percentage of subway riders must be re-swipe the card because they were outside the acceptable range? (Round your answers to 3 decimal places.)