How many draws does it take on average to record k different

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Reference no: EM132152085

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Think of an urn with n balls numbered from 1 to n. Sampling with replacement: A ball is drawn, its number is recorded, then the ball is returned.

1. How many draws does it take on average to record k different numbers?

2. How many draws does it take on average to record numbers 1 through k?

Reference no: EM132152085

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