Suppose that the score on a reading ability test are normally
distributed with a mean of 60 and a standard deviation of 10. What
proportion of individuals score at least 50 points on this test?
Round your answer to at least four decimal places.
Suppose that the score on a reading ability test are normally distributed with a mean of 60 and a standard deviation of
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Suppose that the score on a reading ability test are normally distributed with a mean of 60 and a standard deviation of
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