III on a particular lamp post, the bulb is replaced as soon as it gets buuted. Let the total number of replacements Ht up to time t have a Poisson distribution w/ intenuity q=.02 replacement per day. Consider the bulb working on the 60th day. 1. Find the probability that it gets buuted in 15 days or less. 2. Find the probability that it is functioning for more than 10 days already.

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