The SAT mathematics scores in the state of Florida 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 student’s math score is between 300 and 700? Express your answer as a decimal.

Question

The SAT mathematics scores in the state of Florida 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 student’s math score is between 300 and 700? Express your answer as a decimal.

anonymous · Answer

Do you how to use this chart? http://www.stat119review.com/_/rsrc/1351288065136/more-material/normal-distribution/empirical-rule/emprulesmart.bmp

anonymous · Answer

yes

anonymous · Answer

ok. so your mean is 500. That does in the middle, between the 34% sections.|dw:1459196568283:dw|