The probabilities that the rain gauge instruments at stations A and B will function uninterruptedly for (20) months are (0.8 and 0.9), respectively. Proper functioning of the rain gauge instrument is independent. Find the probability that for (20) months: (a) both, (b) neither, (c) at least one, will be in function. Please answer quickly

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Chapter1: Combinatorial Analysis
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The probabilities that the rain gauge instruments at stations A and B will function
uninterruptedly for (20) months are (0.8 and 0.9), respectively. Proper functioning of the rain
gauge instrument is independent. Find the probability that for (20) months:
(a) both, (b) neither, (c) at least one, will be in function.

Please answer quickly

|1-)
The probabilities that the rain gauge instruments at stations A and B will function
uninterruptedly for (20) months are (0.8 and 0.9), respectively. Proper functioning of the rain
gauge instrument is independent. Find the probability that for (20) months:
(a) both, (b) neither, (c) at least one, will be in function.
Transcribed Image Text:|1-) The probabilities that the rain gauge instruments at stations A and B will function uninterruptedly for (20) months are (0.8 and 0.9), respectively. Proper functioning of the rain gauge instrument is independent. Find the probability that for (20) months: (a) both, (b) neither, (c) at least one, will be in function.
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