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0
votes
1
answer
Let X denote the sum of the numbers obtained when two fair dice are rolled. Find the variance and standard deviation of X.
asked
6 days
ago
in
Education
by
JackTerrance
(
1.0m
points)
probability-interview-questions
probability-questions
probability
class-12
0
votes
1
answer
Two cards are drawn from a pack of 52 cards. What is the probability that both are face cards.
asked
6 days
ago
in
Education
by
JackTerrance
(
1.0m
points)
probability-interview-questions
probability-questions
probability
class-12
0
votes
1
answer
A fair coin and an unbiased die are tossed.Let A be the event ‘head appears on the coin’
asked
6 days
ago
in
Education
by
JackTerrance
(
1.0m
points)
probability-interview-questions
probability-questions
probability
class-12
0
votes
1
answer
A bag contains 8 red and 4 green marbles. Find the probability that a marble selected at random is red.
asked
6 days
ago
in
Education
by
JackTerrance
(
1.0m
points)
probability-interview-questions
probability-questions
probability
class-12
0
votes
1
answer
Two dice are rolled simultaneously. Find the probability of getting a doublet of even numbers.
asked
6 days
ago
in
Education
by
JackTerrance
(
1.0m
points)
probability-interview-questions
probability-questions
probability
class-12
0
votes
1
answer
Tickets are numbered from 1 to 18 are mixed up together and one ticket is drawn at random.
asked
6 days
ago
in
Education
by
JackTerrance
(
1.0m
points)
probability-interview-questions
probability-questions
probability
class-12
0
votes
1
answer
A bag contains 8 red and 4 green balls. Find the probability (a) ball drawn is red when one ball is selected at random.
asked
6 days
ago
in
Education
by
JackTerrance
(
1.0m
points)
probability-interview-questions
probability-questions
probability
class-12
0
votes
1
answer
A bag contains 6 red, 4 white and Z black balls. Z balls are drawn at random.
asked
6 days
ago
in
Education
by
JackTerrance
(
1.0m
points)
probability-interview-questions
probability-questions
probability
class-12
0
votes
1
answer
Two groups are competing for the positions on the board of directors of a corporation.
asked
Nov 22
in
Education
by
JackTerrance
(
1.0m
points)
probability-interview-questions
probability-questions
bayes
theorem
and
its
applications
class-12
0
votes
1
answer
In a certain college, 4% of boys and 1% of girls are taller than 1.75 metres. Furthermore, 60% of the students are girls.
asked
Nov 22
in
Education
by
JackTerrance
(
1.0m
points)
probability-interview-questions
probability-questions
bayes
theorem
and
its
applications
class-12
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