Question: A sequence of integers are generated randomly. Each integer is uniformly distributed in the range of [1, 10]. Generations of different integers are mutually independent.

A sequence of integers are generated randomly. Each integer is uniformly distributed in the range of [1, 10]. Generations of different integers are mutually independent. How long does sequence need to be so that the probability of observing the digit 8 at least once is larger than 9/10

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