Normal curve, what score to be in the top 25%?
Question Description
A psychologist has been studying delayed recall of certain words using a new memory measure. On this measure, she has found that the distribution follows a normal curve. The memory test has a mean of 12 words recalled and a standard deviation of 3.5. Using a normal curve table, what score on the memory measure would a person need to have to be in the top 25%?
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