A set of data has a normal distribution with a mean of 5.1 and a standard deviation of 0.9. Find the percent of data between 4.2 and 5.1.
x = (4.2-5.1)/.9 = -1
"Percent distribution" here is referring to the bell curve, so we're really talking about the area under the curve from -1 to 0.
answer: 34% :)
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