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April 24, 2014

Homework Help: math

Posted by Khizar on Tuesday, October 11, 2011 at 12:05am.

Studies have shown a particular television commercial is understood by 25% of first grade students and 80% of fourth grade students. If a television advertising agency randomly selects one first grader and one fourth grader, what is the probability neither child would understand the commercial, assuming the children's reactions are independent?

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