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CBSE Class 12-science Answered

Ten bulbs are drawn successively with replacement from a bag containing 10% defective bulbs. Find the probability that there are at least eight defective bulbs
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
answered-by-expert Expert Answer

Let X denotes the number of defective bulbs in the 10 bulbs drawn. Since the drawing is done with replacement, the trials are Bernoulli trials.

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Answered by | 04 Jun, 2014, 03:23: PM

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