Math, asked by madanajyothsnasree, 10 months ago

in a box there a10 non defective non defective bulbs and some defective bulbs. if the probability that a bulb selected at random from the box to be defective is 2by7 then find the number of defective bulbs

Answers

Answered by muthukrishnan5887

14

Step-by-step explanation:

Answer. 4

hope this is useful

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Answered by naitiksingla125

0

Answer:

non-defective bulbs is equal to 10

defective bulbs is equal to X

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