Lightbulbs i. a room has three lightbulbs. each one has a 10% probability of burning out within the month. the next exercise refers to this. what is the probability that at the end of the month at least one of the bulbs will be lit? write the probability as a percentage. (fill in the blank below and round your answer to 1 decimal place.) the probability that at the end of the month at least one of the bulbs will be lit is 0.1 %.