TrivialRen8714 TrivialRen8714

20-05-2023
Mathematics

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emily earned a score of 550 on exam a that had a mean of 450 and a standard deviation of 100. she is about to take exam b that has a mean of 350 and a standard deviation of 50. how well must emily score on exam b in order to do equivalently well as she did on exam a? assume that scores on each exam are normally distributed.

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