The probablity that it will rain and hail in one week is 1/6. The probablity that there will be rain, hail, or both in one week is 1/3. The probablity that it will rain in one week is 3/10. What is the probablity that it will hail in any given week?

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- Oct 30th 2007, 04:55 PMcubs3205really hard probablity problem
The probablity that it will rain and hail in one week is 1/6. The probablity that there will be rain, hail, or both in one week is 1/3. The probablity that it will rain in one week is 3/10. What is the probablity that it will hail in any given week?

- Oct 30th 2007, 05:06 PMPlato
- Oct 30th 2007, 05:56 PMSoroban
Hello, cubs3205!

Quote:

The probablity that it will rain and hail in one week is 1/6.

The probablity that there will be rain, hail, or both in one week is 1/3.

The probablity that it will rain in one week is 3/10.

What is the probablity that it will hail in any given week?

. . . . .

We are given: .

We have: .

. . . . . . . . . . . .

Therefore: .