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Mathematics 20 Online
OpenStudy (anonymous):

Suppose the probability that it rains in the next two days is 1/3 for tomorrow and 1/6 for the day after tomorrow. What is P(rain tomorrow, then rain the day after tomorrow)? Choices are 1/2 1/18 2/9 1/9

OpenStudy (anonymous):

@ospreytriple

OpenStudy (anonymous):

Do I mulitiply this

OpenStudy (anonymous):

is it 1/18?

OpenStudy (anonymous):

Right on. The fundamental counting principle states that whenever you are determining the probability of BOTH of two events happening, multiply the individual probabilities together.

OpenStudy (anonymous):

Oh ok

OpenStudy (anonymous):

I still have couple more

OpenStudy (anonymous):

Wow.. Its late.. But I need 2 finish this up so I can send it in tomorrow

OpenStudy (anonymous):

Go ahead

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