Ask Question
1 June, 14:02

A room has three lightbulbs. Each one has a 10% probability of burning out within the month.

What is the probability that at the end of the month at least one of the bulbs will be lit?

+4
Answers (1)
  1. 1 June, 15:03
    0
    10% probability of burning out within a month

    100-10 = 90% chance of not burning out within a month

    90% = 0.9

    (0.9) * (0.9) * (0.9) = (0.9) ^3 = 0.729 = 72.9%

    The probability that all 3 stay lit at the end of the month is 72.9%
Know the Answer?
Not Sure About the Answer?
Find an answer to your question ✅ “A room has three lightbulbs. Each one has a 10% probability of burning out within the month. What is the probability that at the end of the ...” in 📘 Mathematics if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions.
Search for Other Answers