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# An urn contains seven balls, numbered from 1 to 7. Two balls are drawn out randomly,...

An urn contains seven balls, numbered from 1 to 7. Two balls are drawn out randomly, with an equal likelihood for each outcome.

(a) What is the probability that the sum of the numbers is greater than 10?

(b) What is the probability that the product is odd?

(c) What is the probability that the sum is greater than 10 and the product is odd?

(d) What is the probability that the sum is greater than 10 or the product is odd?

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