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?
Hello, cubs3205!
If you're doing Probability problems, you should know this formula: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: .