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The probability that a bulb produced by a factory will fuse after 150 days if used is 0.50. what is the probability that our of 5 such bulbs none will fuse after 150 days of use? `1-(19//20)^5` b. `(19//20)^5` c. `(3//4)^5` d. `90(1//4)^5`

A

`1-(19/20)^(5)`

B

`(19/20)^(5)`

C

`(3/4)^(5)`

D

`90(1/4)^(5)`

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The correct Answer is:
B
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The probability that a bulb produced by a factory will fuse after 150 days if used is 0.05. what is the probability that out of 5 such bulbs none will fuse after 150 days of use? 1-(19/20)^5 b. (19/20)^5 c. (3/4)^5 d. 90(1/4)^5

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