(Answered) Question 1 erica and john spin a wheel which turns up the

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Question: 1. Erica and John spin a wheel which turns up the integers 0 through 9 with equal probability. Results on various trials are independent. Each spins the wheel 10 times. What is the probability Erica turns up a seven more times than does John?

2. Erica and John play a different game with the wheel, above. Erica scores a point each time she gets an integer 0, 2, 4, 6, or 8. John scores a point each time he turns up a 1, 2, 5, or 7. If Erica spins\ eight times; John spins 10 times. What is the probability John makes more points than Erica?

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