Answer:
1 / 5 or 20%
Step-by-step explanation:
The probability that the bulb is defective is
amount of defective bulbs / total amount of bulbs
because of this, the probability of the bulb being defective is 4 / 20 = 1 / 5 or 20%.
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Verified answer
Answer:
1 / 5 or 20%
Step-by-step explanation:
The probability that the bulb is defective is
amount of defective bulbs / total amount of bulbs
because of this, the probability of the bulb being defective is 4 / 20 = 1 / 5 or 20%.