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Suppose the scores on a chemistry test were normally distributed with a mean of 78 and a standard deviation of 10. 1. Find the probability

Suppose the scores on a chemistry test were normally distributed with a mean of 78 and a standard deviation of 10.

1. Find the probability that the student earned fewer than 75 points. Show graph, calculation and interpretation.

2.Find the probability that the student earned either less than 80 points or more than 90 points. Show graph, calculation and interpretation.

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