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Mathematics 23 Online
OpenStudy (anonymous):

The probability that Janice will attend math class today is 62%. The probability that Ellie will attend math class if Janice attends is 100%. Ellie will not attend the class unless she hears from Janice first. What is the probability that both will attend the class?

OpenStudy (anonymous):

73%. 100% 81% 62%

OpenStudy (anonymous):

my guess is 81% .

OpenStudy (anonymous):

how you figure ninaesb? =)

OpenStudy (anonymous):

its just my guess . i was thinking you would subtract 100-62 but thats not an option .

OpenStudy (anonymous):

me to

OpenStudy (anonymous):

okay . just stick with whats best .

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