(Answered) Lengths of snowboards in a board shop are nomally

Statistics

Lengths of snowboards in a board shop are nomally distributed with a mean of 150.6 and a standard deviation of 0.6. a) In a sample of 300 snowboard how many snowboards would you expect to have lengths between 150.1 and 151.1 b) what is the percentile rank of a snowboard with length of 151.1

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