Question: The probability of a randomly selected person having a grade

The probability of a randomly selected person having a grade of 500 or above on the quantitative portion of the SAT is 0.50.
a. If two students are chosen randomly and independently, what is the probability that they both score 500 or above?
b. If two students are selected from the same high school calculus class, do you think the probability of their both scoring 500 or above is different from your answer to part a? Explain.

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  • CreatedJuly 16, 2015
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