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Mathematics, 05.07.2019 17:20 shaw2708

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?
a 0.75
b 3
c 3.75
d 2

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