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If a student has an 80% chance of getting a question correct, what is the student's expected count of correct answers on a 40-question test?

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If a student has an 80% chance of getting a question correct, what is the student's expected count of correct answers on a 40-question test? Hint: recall the PMF of the binomial distribution and how it is used in the expectation formula. O Link x (1 - 0.80)40-k O (40) ) x 0.80* x (1 - 0.80)40-k O 0.8020 x (1 - 0.80)20 O Evok x (4) x 0.80* x (1 - 0.80)+0-&

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