Average number of electric light bulbs failing per day

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1. Large asteroids fall onto the Earth at the rate of 1 per 10,000,000 years. What is the probability that at least one will fall on the Earth within the next 1,000,000 years?

2. The average number of electric light bulbs failing per day in a factory is 10. On how many days per year would the number failing be 15?

Reference no: EM131938994

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