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  3. 4 10 pts you are doubtful about the fairness of...

Question: 4 10 pts you are doubtful about the fairness of...

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4) (10 pts) You are doubtful about the fairness of a six-side die. Its expected that 50% of the time you should get the numbers 1, 2, or 3 a) After 20 rolls, what is the standard deviation youd expect of the number of times you get 1, 2, or 3? b) After 20 tosses you find that you got these numbers only 40% of the time. Do you make an accusation? many rolls would it take for you to conclude that a continued 40% average c) How indicates loaded dice?

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