in a box there are 800 bulbs out of which 780 are non defective one bulb is taken out randomly .probability of that bulb is defective
Answers
Answered by
38
Total Bulbs = 800
Non-Defective Bulbs = 780
Defective Bulbs = Total Bulbs - Defective Bulbs
= 800 - 780 = 20
P(Selecting a defective bulb) = 20/800
= 1/40
Non-Defective Bulbs = 780
Defective Bulbs = Total Bulbs - Defective Bulbs
= 800 - 780 = 20
P(Selecting a defective bulb) = 20/800
= 1/40
Answered by
7
Answer:
1/40
Step-by-step explanation:
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