The probability that Heba passes Math 2/13 and the probability that she passes English is 4/9 . if the probability of passing both courses is 1/4 , what is the probability that Heba will pass at most one of them?
- احصاء
- رياضيات
- 2021-05-04
- HebaAallahFathy
الأجوبة
A={Heba passes Math} B={Heba passes English}
P(A)=2/3 ,P(B)=4/9 ,P(A∩B)=1/4
P〖(A∩B)〗^c=1-P(A∩B)=1-1/4=3/4
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