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It is estimated that 40% of university students purchase the required textbooks for their courses online. To see if this applies to students at UCLA,
It is estimated that 40% of university students purchase the required textbooks for their courses online. To see if this applies to students at UCLA, a representative of a textbook publisher randomly selects 15 UCLA students to determine how many purchased their textbooks online this semester. Denote this number by X and assume that X is a binomial random variable. Calculate P(X2) and explain. If possible, use a binomial probability table.
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