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. What is the pro

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Question 1126243: 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 all three will burn out within the month?
Found 2 solutions by ikleyn, rothauserc:
Answer by ikleyn(52803) About Me  (Show Source):
You can put this solution on YOUR website!
.
0.1*0.1*0.1 = 0.001.


Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
10% probability = 0.1
:
Probability that all three fail in a month = (0.1)^3 = 0.001
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