QUESTION

# The Act test had a mean composite score of 18. And a standard deviation of 6. Assume the scores are normally distributed.  Find the probability that a student had a score between 15 and 19.

The Act test had a mean composite score of 18. And a standard deviation of 6. Assume the scores are normally distributed.

Find the probability that a student had a score between 15 and 19.

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