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Mathematics, 25.01.2021 09:10 maggie123433
Ms. Davis is doing an activity with her statistics students where she gives them a 20-question multiple choice test, and they know none of the answers. Students need to guess on every question, and each question has 5 possible choices, 1 of which is correct. What are the mean and standard deviation of the number of questions that each student gets correct?
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Ms. Davis is doing an activity with her statistics students where she gives them a 20-question multi...
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