Mathematics, 29.01.2021 22:00 arirodriguezc5854
Libby earns a mean of 92.9 points with a standard deviation of 5.5 points in her math classes and a mean of 90.3 with a standard deviation of 6.1 points in her history classes. Both distributions are skewed left. If a sample of 30 of her math scores and 31 of her history scores is randomly selected, what is the probability that her mean math score will be more than her mean history score?
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Libby earns a mean of 92.9 points with a standard deviation of 5.5 points in her math classes and a...
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