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The probability that a bulb produced by a factory will fuse in `100` days of use is `0.05`, Find the probability that out of `5` such bulbs, after `100` days of use
(i) none fuse.
(ii) no more than one fuses.
(iii) more than one fuses.
(iv) atleast one fuses.

Text Solution

Verified by Experts

The correct Answer is:
(i) `((19)/(20))^(5)`
(ii) `((19)/(20))^(4) xx (6)/(5)`
(iii) `1 - (6)/(5)((19)/(20))^(4)`
(iv) `1 - ((19)/(20))^(5)`
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