In a bulb factory, on checking 100 bulbs randomly, 80 of the bulbs were found to be working. What is the probability that a bulb selected at random will work or P(a bulb works) If there are 500 bulbs in a pack, predict how many of the bulbs will not work.

In a bulb factory, on checking 100 bulbs randomly, 80 of the bulbs w

1.	In a bulb factory, on checking 100 bulbs randomly, 80 of the bulbs were found to be working. What is the probability that a bulb selected at random will work or P(a bulb works) If there are 500 bulbs in a pack, predict how many of the bulbs will not work.
Answer» Probability = Number of possible outcomes /Number of outcomes Step-by-step EXPLANATION:Possibility of number of BULBS works = 80/500 =4/25Possibility of number of bulbs will not work= 20/500=1/25.Hope this MAY help you Give me hearts and STARS