Question

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 1

Answer:

Probability = Number of possible outcomes /Number of outcomes

Step-by-step explanation:

Possibility of number of bulbs works = 80/500

=4/25

Possibility of number of bulbs will not work= 20/500=1/25.

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