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OpenStudy (dtan5457):
The probability that a flashbulb is defected is found to be 1/20. What is the probability that a package of 6 flash bulbs has only 1 defective bulb?
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OpenStudy (dtan5457):
Is this 6c1(1/20)(19/20^5)?
OpenStudy (rational):
Correct!
OpenStudy (dtan5457):
Thanks!
OpenStudy (rational):
pretty sure you meant 6c1(1/20)(19/20)^5
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