SOLUTION: A room has three lightbulbs. Each one has a 10% probability of burning out within the month. Write the probability as a percentage rounded to one decimal place.
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Question 1098112: A room has three lightbulbs. Each one has a 10% probability of burning out within the month. Write the probability as a percentage rounded to one decimal place.
What is the probability that at the end of the month at least one of the bulbs will be lit? Answer by emathwizard(1) (Show Source):
You can put this solution on YOUR website! 3 lightbulbs have a 10% probability of burning out, so there's a 30% probability of at least ONE of 3 burning out.
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