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The SAT mathematics scores in the state of Florida for this year are approximately normally distributed with a mean of 500 and a standard deviation of 100.

Using the empirical rule, what is the probability that a randomly selected score lies between 500 and 700? Express your answer as a decimal.

What is the answer?

Answer :

andyk03
because it will be  half2 standard deviation which will include 500-700.
2std will include from 300-700.
so it will be half of 95%.

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