Answer: 0.2501
Step-by-step explanation:
Given : The proportion of the bulbs in the lot are defective = 20%= 0.20
Sample size : n =15
Let x be the binomial variable that represents the defective bulbs.
Binomial probability formula :
The probability that exactly 3 bulbs from the sample are defective : P(X=3)
Required probability = 0.2501
Answer:
25-5x=90
Step-by-step explanation:
not sure but i think this is it
Hope it helps! Please mark me as Brainliest
Answer:
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Step-by-step explanation:
78x
87x
09x
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bb
dom=cb
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