The probability of getting defective bulb in a lot of 400 is 0.075. Then find the number of non- defective bulb in the lot?
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Step-by-step explanation:
Let the number of defective bulb = x
Given: Probability of defective bulb = 0.035
Total number of bulbs= 400
Probability =
Total number of outcomes
Number of favourable outcomes
0.035 =
400
x
0.035∗400=x or x=14
Total no. of defective bulb= 14.
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