1
GATE ME 2015 Set 2
+2
-0.6
The chance of a student passing an exam is $$20$$% The chance of a student passing the exam and getting above $$90$$% marks in it is $$5$$%. Given that a student passes the examination, the probability that the student gets above $$90$$% marks is
A
$${1 \over {18}}$$
B
$${1 \over {4}}$$
C
$${2 \over {9}}$$
D
$${5 \over {18}}$$
2
GATE ME 2014 Set 2
+2
-0.6
A box contains $$25$$ parts of which $$10$$ are defective. Two parts are being drawn simultaneously in a random manner from the box. The probability of both the parts being good is
A
$${7 \over {20}}$$
B
$${42 \over {125}}$$
C
$${25 \over {29}}$$
D
$${5 \over {9}}$$
3
GATE ME 2014 Set 2
Numerical
+2
-0
Consider an unbiased cubic die with opposite faces coloured identically and each face coloured red, blue or green such that each color appears only two times on the die. If the die is thrown thrice, the probability of obtaining red colour on top face of the die at least twice is ________.
4
GATE ME 2014 Set 3
+2
-0.6
A machine produces $$0, 1$$ or $$2$$ defective pieces in a day with associated probability of $${1 \over 6},{2 \over 3}$$ and $${1 \over 6}$$, respectively. Then mean value and the variance of the number of defective pieces produced by
A
$$1$$ and $$1/3$$
B
$$1/3$$ and $$1$$
C
$$1$$ and $$4/3$$
D
$$1/3$$ and $$4/3$$
GATE ME Subjects
EXAM MAP
Medical
NEET