Random variable that represents a test score

Reference no: EM1389689

In a recent year, 11th grade New York public school students taking an English test produced test scores that were normally distributed with a mean of 81 and a standard deviation of 6. Let x be a random variable that represents a test score. What is the lowest score that would still place a student in the top 40% of the scores?

A. 79.47

B. 80.25

C. 81.48

D. 82.52

Reference no: EM1389689

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