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User rahul152
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0
votes
1
answer
An urn contains m white and n black balls.
asked
Apr 2, 2018
in
Class XII Maths
probability
0
votes
1
answer
A and B throw a pair of dice alternately. A wins the game if he gets a total of 6 and B wins if she gets a total of 7.
asked
Apr 2, 2018
in
Class XII Maths
probability
0
votes
1
answer
Find the variance of the distribution :
asked
Apr 2, 2018
in
Class XII Maths
probability
0
votes
1
answer
The random variable X can take only the values 0,1,2.
asked
Apr 2, 2018
in
Class XII Maths
probability
0
votes
1
answer
Find the probability distribution of the maximum of the two scores obtained when a die is thrown twice .
asked
Apr 2, 2018
in
Class XII Maths
probability
+1
vote
1
answer
Suppose that 6% of the people with blood group O are left handed and 10% of those with other blood groups are left handed.
asked
Apr 2, 2018
in
Class XII Maths
probability
+1
vote
1
answer
Suppose you have two coins which appear identical in your pocket.
asked
Apr 2, 2018
in
Class XII Maths
probability
+1
vote
1
answer
A factory produces bulbs. The probability that any one bulb is defective is 1/50 and they are packed in boxes of 10. From a single box,
asked
Apr 2, 2018
in
Class XII Maths
probability
0
votes
1
answer
Two probability distribution of the discrete random variable X and Y are given below.
asked
Apr 2, 2018
in
Class XII Maths
probability
+1
vote
1
answer
Two based dice are thrown together. For the first die P(6) = 1/2, the other scores being equally likely while for the second die,
asked
Apr 2, 2018
in
Class XII Maths
probability
0
votes
1
answer
A die is thrown three times . Let X be 'the number of twos seen'. Find the expectation of X.
asked
Apr 2, 2018
in
Class XII Maths
probability
+1
vote
1
answer
A based die is such that P(4) = 1/10 and other scores being equally likely.
asked
Apr 2, 2018
in
Class XII Maths
probability
0
votes
1
answer
For the following probability distribution determine standard deviation of the random variable X.
asked
Apr 2, 2018
in
Class XII Maths
probability
0
votes
1
answer
The probability distribution of a random variable X is given below:
asked
Apr 2, 2018
in
Class XII Maths
probability
0
votes
1
answer
Explain why the experiment of tossing a coin three times is said to have binomial distribution.
asked
Mar 31, 2018
in
Class XII Maths
probability
0
votes
1
answer
Two dice are thrown together and the total score is noted.
asked
Mar 31, 2018
in
Class XII Maths
probability
+1
vote
1
answer
A bag contains 5 red marbles and 3 black marbles.
asked
Mar 31, 2018
in
Class XII Maths
probability
+1
vote
1
answer
If the die were fair, determine whether or not the events A and B are independent.
asked
Mar 31, 2018
in
Class XII Maths
probability
+1
vote
1
answer
For a loaded die, the probabilities of outcomes are given as under:
asked
Mar 31, 2018
in
Class XII Maths
probability
0
votes
1
answer
Find the equation of a curve passing through origin and satisfying the differential equation (1+x)2dy/dx+2xy=4x2.
asked
Mar 31, 2018
in
Class XII Maths
differential equations
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