A bicycle’s front and rear lights fail independently on a journey. The failure probabilities are \(0

Question

A bicycle’s front and rear lights fail independently on a journey. The failure probabilities are $0.1$ and $0.2$, respectively. Find the probability that exactly one light fails.[2] Find the probability that at least one light fails.[2]

Accepted Answer

(a) $0.26$ (b) $0.28$

Different probabilities on independent trials

Different probabilities on independent trials

Solution:

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