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Mathematics 7 Online
OpenStudy (anonymous):

What do you conclude about the claim below? Do not use formal procedures or exact calculations. Use only the rare event rule and make a subjective estimate to determine whether the event is likely Claim: A roulette wheel is fair and in 40 consecutive spins of the wheel, black shows up 28 times. (A roulette wheel has 38 equally likely slots of which 18 are black)

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