Probability

Study Material (PDF)
Self Assesment
Study Material (PDF)
Self Assesment

Click on each question to see answer & solution.

Question No: #51

Ans: (d) `20/27`
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Question No: #52

`A` ও `B` হলো দুটি পরস্পর স্বাধীন ঘটনা। যদি `P(A) = 1/3` এবং `P(A cap B) = 1/6` হয়, তবে `P(A^c cap B^c)` এর মান -
(a) `1/6`, (b) `2/3`, (c) `1/3`, (d) `2/9`
Ans: (c) `1/3`
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Question No: #53

Ans: `0.58`, `0.40`
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Question No: #54

A ও B দুটি স্বাধীন ঘটনা এমন যে, `P(A)=1/2`, `P(B)=1/5`। তাহলে `P(A | AcupB)` এর মান হল --
(a) `1/5`, (b) `2/5`, (c) `5/6`, (d) `5/7`
Ans: (c) `5/6`
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Question No: #55

Ans: `1/6` or `4/5`
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Question No: #56

`P(A^c cup B^c) = 5/6`, `P(A) = 1/2` এবং `P(\bar{B}) = 2/3`, হলে `A` & `B` ঘটনা দুটি কি স্বাধীন?
Ans: Yes
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Question No: #57

Ans: Yes
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Question No: #58

Ans: `2/7`
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Question No: #59

Ans: `1/6`
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Question No: #60

Ans: Between `[5/8, 1]`
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