The probability that Heba passes Math 2/3 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 least one of these courses?
- 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)=P(A)+P(B)-P(A∩B)=2/3+4/9-1/4=31/36
أسئلة مشابهة
القوائم الدراسية التي ينتمي لها السؤال
معلومات ذات صلة