Toggle navigation
About
Contact
Dropdown
Action
Another action
Something else here
Nav header
Separated link
One more separated link
Probability
Home
Probability
All Questions (Page: 5)
Study Material (PDF)
All Questions (PDF)
Self Assesment
Sort As
Serial Number
Newly Added
Language
English
Bengali
Study Material (PDF)
All Questions (PDF)
Self Assesment
Sort As
Serial Number
Newly Added
Language
English
Bengali
Click on each question to see answer & solution.
Question No: #41
If `P(A) = 1/4`, `P(B) = 1/3` & `P(A \cap B) = 1/5`, then find `P(\bar{B} | \bar{A})`
Ans: `37/45`
SEE SOLUTION
Question No: #42
If `P(A) = 0.5`, `P(B) = 0.4`, `P(A \cap B) = 0.3`, then find the value of `P(A^c | B^c)`
Ans: `2/3`
SEE SOLUTION
Question No: #43
If `P(A) = 7/13`, `P(B) = 9/13` and `P(A \cap B) = 4/13` then find `P(\bar{A} | B)`
Ans: `5/9`
SEE SOLUTION
Question No: #44
`A` and `B` are two events such that `P(A) = 1/4`, `P(B) = 1/2` and `P(A \cap B) = 1/8`, then `P(\bar{A} \cap \bar{B})` is --
(a) `3/4`, (b) `3/8`, (c) `1/2`, (d) `1/3`
Ans: (b) `3/8`
SEE SOLUTION
Question No: #45
If `P(A) = 0.3`, `P(B) = 0.4` and `P(A \cup B) = 0.6`, then find `P(\bar{A} | B)` & `P(\bar{B} | A)`
Ans: `2/3, 4/7`
SEE SOLUTION
Question No: #46
If `P(A) = 2/3`, `P(B) = 1/4` and `P(A | B) = 1/3`, then find the probability of occurring exactly one events of `A` & `B`
Ans: `3/4`
SEE SOLUTION
Question No: #47
If `P(A)=0.6`, `P(B)=0.75` and `P(A | B)=0.45`, then find the value of `P(B^c | A)`
Ans: `0.4375`
SEE SOLUTION
Question No: #48
`A` & `B` are two events such that `P(A \cup B) = 4/5`, `P(\bar{A} \cup \bar{B}) = 7/10` and `P(B) = 2/5`, then value of `P(A)` is --
(a) `9/10`, (b) `7/10`, (c) `3/5`, (d) `8/10`
Ans: (b) `7/10`
SEE SOLUTION
Question No: #49
There are three children in a family. The probability of all the children are boys is --
(a) `1/3`, (b) `1/4`, (c) `1`, (d) `1/2`
Ans: (a) `1/3`
SEE SOLUTION
Question No: #50
`A` & `B` are two mutually independent events. If `P(A) = 0.2`, `P(A \cup B) = 0.8` then value of `P(A \cap B)` is -
(a) `0.12` (b) `0.15` (c) `0.3` (d) `0.25`
Ans: (b) `0.15`
SEE SOLUTION
Previous Page: 4
Next Page: 6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15