6) A pit boss suspects that a roulette wheel is out of balance. A roulette wheel has 18 black slots, 18 red slots, and 2 green slots. The pit boss spins the wheel 500 times and records the following frequencies. Outcome Black Red Green Is the wheel out of balance? Frequency 233 237 30 500 (18/38) = 236.84 500 (18/38) = 236.84 500 (2138) = 26.32

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