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Mathematics 19 Online
OpenStudy (anonymous):

The probability that Sam with be alive in 20 years is 3/26. The probability that Michelle will be alive in 20 years is 1/12. What is the probability that they will both be alive in 20 years?

OpenStudy (anonymous):

mutiply them together

OpenStudy (anonymous):

20 an 20?

OpenStudy (anonymous):

the probability

OpenStudy (anonymous):

since one event is dependent on the other

OpenStudy (anonymous):

i dnt get itt

OpenStudy (anonymous):

both event happening= chance of first event happen x chance of second event happen

OpenStudy (anonymous):

suppose you flip a coin

OpenStudy (anonymous):

what is the probability that you will get two heads in 2 toss

OpenStudy (anonymous):

the chance of getting head on the first toss is 1/2

OpenStudy (anonymous):

and the chance to get head on the second toss is 1/2 also

OpenStudy (anonymous):

so to get two heads, you multiply 1/2 x 1/2

OpenStudy (anonymous):

2

OpenStudy (anonymous):

1/4

OpenStudy (anonymous):

probability cannot exceed 1

OpenStudy (anonymous):

ok so its 2/19

OpenStudy (anonymous):

for the answer above?

OpenStudy (anonymous):

ya

OpenStudy (anonymous):

|dw:1343006560177:dw|

OpenStudy (anonymous):

1/104

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