Actual swipe rates by subway riders

Reference no: EM1396224

Passengers using New York's MetroCard system must swipe the card at a rate between 10 and 40 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 50 inches per second.

Determine the following to 2 decimal places:

a) Mean swipe rate - I got 27.50

b) Standard deviation of the swipe rate - I got 12.99

c) 1st Quartile - I got 16.25

d) 3rd Quartile - I got 38.75

e) What percentage of subway riders must re-swipe the card because they were outside the acceptable range?

Reference no: EM1396224

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