Steve is a plumber and has won a contract to put sinks into a block of flats. If he works hard he gets a bonus of £9.80 for every sink he outs in over the
total of 50. How much bonus money does he earn for 49 sinks?
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Based on the figures as marked, /\rqs = —

Carl's candies has determined that a candy bar measuring 3 inches long has a z-score of +1 and a candy bar measuring 3.75 inches long has a z-score of +2. what is the standard deviation of the length of candy bars produced at carl's candies?

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coup?