Math, asked by devananditha49, 11 months ago

pls ans it, its urgent

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Answered by ajayjhaajay1

2

Answer:

Step-by-step explanation:

Number of good bulbs = 100-30 =70

Total number of bulbs = 100

P(getting good bulb) = 70/ 100 or 7/10

or 0.7

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Answered by 9GULSHAN1

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no of total bulb is 100

no of defective bulb is 30

so no of bulb which is not defective is 100- 30 is 70

so the probability is 70/100=7/10

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