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OpenStudy (anonymous):
Suppose a normal distribution has a mean of 38 and a standard deviation of 2. What is the probability that a data value is between 37 and 41? Round your answer to the nearest tenth of a percent. A. 83.5% B. 77.5% C. 56.5% D. 62.5%
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OpenStudy (anonymous):
|dw:1369710768492:dw| Find the z values, then look up the probability/area under the curve for those z values and add them together.
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