Question

It is known that a box of 800 electric bulbs contains 36 defective bulbs. One bulb is taken at random out of the box. What is the probability that the bulb chosen is non-defective?​

Answer 1

Answer:

It is given that Total number of electric bulbs = 800 Defective bulbs = 36

So the number of non-defective bulbs = 800 – 36 = 764

We know that Probability that the bulb chosen is non defective = number of non-defective bulbs/ total number of bulbs

By substituting the values Probability that the bulb chosen is non defective = 764/800

So we get Probability that the bulb chosen is non defective = 191/200.

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Answer 2

Answer:

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