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3 answers

100% = 1 So if it was it *will* rain tomorrow, the probability it will rain is 1

So if the probability it won't rain is 1/5, the probability it will rain (the complementary event) is 1-1/5.

Thus the answer is 4/5

2007-01-26 15:51:17 · answer #1 · answered by Bass 2 · 0 0

The probability of its complementary event (that it will not rain tomorrow) is 4/5.

Complement is 1 - A.

1 - 1/5 = 4/5

2007-01-26 15:39:34 · answer #2 · answered by Anonymous · 0 0

If the probability that it'll rain tomorrow is 1/5, then the probability that it will not rain tomorrow is 1 - (Rain)

Therefore, 1 - 1/5 = chance of no rain

So, chance of no rain is 4/5

2007-01-26 15:38:15 · answer #3 · answered by Anonymous · 0 0

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