Number of questions that the student
A multiple-choice test contains n questions. If answers are randomly selected, the correct answer will be selected with probability p. What is the probability that X, the number of questions that the student answers correctly, equals x?
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Attach a copy of the graph of the average class data for "mass of barium sulfate versus volume of barium chloride." What is occurring before the graph levels off? What is indicated after the graph levels off?
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