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Recent questions tagged probability
Questions
Two dice are thrown.The events A,B and C are as follows :A : getting an even number in first die,B :getting an odd number on the first die,C : getting the sum of the numbers on the dice $\leq$ 5.Describe the event : A and B
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q6-iv
sec-b
medium
asked
Jun 27, 2014
by
sreemathi.v
1
answer
Two dice are thrown.The events A,B and C are as follows :A : getting an even number in first die,B :getting an odd number on the first die,C : getting the sum of the numbers on the dice $\leq$ 5.Describe the event : A or B
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q6-iii
sec-b
medium
asked
Jun 27, 2014
by
sreemathi.v
1
answer
Two dice are thrown.The events A,B and C are as follows :A : getting an even number in first die,B :getting an odd number on the first die,C : getting the sum of the numbers on the dice $\leq$ 5.Describe the event : not B
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q6-ii
sec-b
medium
asked
Jun 27, 2014
by
sreemathi.v
1
answer
Two dice are thrown.The events A,B and C are as follows :A : getting an even number in first die,B :getting an odd number on the first die,C : getting the sum of the numbers on the dice $\leq$ 5.Describe the event : A'
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q6-i
sec-b
medium
asked
Jun 27, 2014
by
sreemathi.v
1
answer
Three coins are tossed,describe : Three events which are mutually exclusive but not exhaustive.
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q5-v
sec-b
medium
asked
Jun 27, 2014
by
sreemathi.v
1
answer
Three coins are tossed,describe two events which are mutually exclusive but not exhaustive.
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q5-iv
sec-b
medium
asked
Jun 27, 2014
by
sreemathi.v
1
answer
Three coins are tossed,describe two events which are not mutually exclusive
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q5-iii
sec-b
medium
asked
Jun 27, 2014
by
sreemathi.v
1
answer
Three coins are tossed,describe two events which are mutually exclusive and exhaustive
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q5-ii
sec-b
medium
asked
Jun 27, 2014
by
sreemathi.v
1
answer
Three coins are tossed,describe two events which are mutually exclusive
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q5-i
sec-b
medium
asked
Jun 27, 2014
by
sreemathi.v
1
answer
Three coins are tossed once,let A denote the event "three heads show",B denote the event "two heads and one tail show",C denote the event "three tails show" and D denote the event "a head shows on the first toss" which events are compound ?
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q4-iii
sec-b
medium
asked
Jun 27, 2014
by
sreemathi.v
1
answer
Three coins are tossed once,let A denote the event "three heads show",B denote the event "two heads and one tail show",C denote the event "three tails show" and D denote the event "a head shows on the first toss" which events are simple ?
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q4-ii
sec-b
medium
asked
Jun 27, 2014
by
sreemathi.v
1
answer
Three coins are tossed once,let A denote the event "three heads show",B denote the event "two heads and one tail show",C denote the event "three tails show" and D denote the event "a head shows on the first toss" which events are mutually exclusive ?
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q4-i
sec-b
medium
asked
Jun 27, 2014
by
sreemathi.v
1
answer
An experiment involves rolling a pair of dice and recording the numbers that come up.Describe the following events : A : The sum is greater than 8,B : 2 occurs on either die,C : The sum is atleast 7 and multiple of 3.Which pairs of these events are mutually exclusive ?
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q3
sec-b
medium
asked
Jun 27, 2014
by
sreemathi.v
1
answer
$A=\{1,2,3,4,5\},B=\phi,C=\{3,6\},D=\{1,2,3\},E=\{6\},F=\{3,4,5,6\}$.Find $A \cup B,A\cap B,B \cup C,E \cap F,D\cap E,A-C,D-E,E \cap F',F'$
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q2
sec-b
medium
asked
Jun 27, 2014
by
sreemathi.v
1
answer
A die is thrown.Describe the following event : F : a number not less than 3.
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q2-vi
sec-a
easy
asked
Jun 27, 2014
by
sreemathi.v
1
answer
A die is thrown .Describe the following event : E : an even number greater than 4.
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q2-v
sec-a
easy
asked
Jun 27, 2014
by
sreemathi.v
1
answer
A die is thrown.Describe the following event : D : a number less than 4
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q2-iv
sec-a
easy
asked
Jun 27, 2014
by
sreemathi.v
1
answer
A die is thrown.Describe the following event : C : a multiple of 3
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q2-iii
sec-a
easy
asked
Jun 27, 2014
by
sreemathi.v
1
answer
A die is thrown .Describe the following event : B : a number greater than 7
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q2-ii
sec-a
easy
asked
Jun 27, 2014
by
sreemathi.v
1
answer
A die is thrown.Describe the following event : A : a number less than 7
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q2-i
sec-a
easy
asked
Jun 27, 2014
by
sreemathi.v
1
answer
A die is rolled.Let E be the event "die shows 4" anf F be the event "die shows even number".Are E and F mutually exclusive?
cbse
math
class11
ch16
probability
bookproblem
exercise16-2
q1
sec-b
medium
asked
Jun 27, 2014
by
sreemathi.v
1
answer
A die is thrown repeatedly untill a six comes up.What is the sample space for this experiment.
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q16
sec-a
easy
asked
Jun 27, 2014
by
sreemathi.v
1
answer
A coin is tossed .If it shows a tail,we draw a ball from a box which contains 2 red and 3 black balls.If it shows head,we throw a die.Find the sample space for this experiment.
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q15
sec-b
medium
asked
Jun 27, 2014
by
sreemathi.v
1
answer
An experiment consists of rolling a die and then tossing a coin once if the number on the die is even.If the number on the die is odd,the coin is tossed twice.Write the sample space for the experiment
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q14
sec-c
difficult
asked
Jun 26, 2014
by
sreemathi.v
1
answer
The numbers 1,2,3 and 4 are written separately on four slips of paper.The slips are put in a box and mixed thoroughly.A person draws two slips from the box,one after the other,without replacement.Describe the sample space for the experiment
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q13
sec-a
easy
asked
Jun 26, 2014
by
sreemathi.v
1
answer
A coin is tossed .If the outcome is a head,a die is thrown.If the die shows up an even number,the die is thrown again.What is the sample space for the experiment.
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q12
sec-c
difficult
asked
Jun 26, 2014
by
sreemathi.v
1
answer
Suppose 3 bulbs are selected at random from a lot.Each bulb is tested and classified as defective (D) or non-defective (N).Write the sample space of this experiment
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q11
sec-a
easy
asked
Jun 26, 2014
by
sreemathi.v
1
answer
An experiment consists of tossing a coin and then throwing it second time if head occurs.If a tail occurs on the first toss,then a die is rolled once.Find the sample space.
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q10
sec-a
easy
asked
Jun 26, 2014
by
sreemathi.v
1
answer
A box contains 1 red and 3 identical white balls.Two balls are drawn at random in succession without replacement.Write the sample space for this experiment.
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q9
sec-a
easy
asked
Jun 26, 2014
by
sreemathi.v
1
answer
An experiment consists of recording boy-girl composition of families with 2 children (ii) What is the sample space,if we are interested in the number of girls in the family?
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q8-ii
sec-b
medium
asked
Jun 26, 2014
by
sreemathi.v
1
answer
An experiment consists of recording boy-girl composition of families with 2 children (i) What is the sample space if we are interested in knowing whether it is a boy or girl in the order of their births?
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q8-i
sec-b
medium
asked
Jun 26, 2014
by
sreemathi.v
1
answer
One die of red colour,one of white colour and one of blue colour are placed in a bag,one die is selected at random and rolled,its colour and the number on its uppermost face is noted.Describe the sample space.
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q7
sec-b
medium
asked
Jun 26, 2014
by
sreemathi.v
1
answer
2 boys and 2 girls are in room x,and 1 boy and 3 girls in room y.Specify the sample space for the experiment in which a room is selected and then a person.
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q6
sec-a
easy
asked
Jun 26, 2014
by
sreemathi.v
1
answer
Describe the sample space for the indicated experiment :A coin is tossed and then a die is rolled only in case a head is shown on the coin.
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q5
sec-a
easy
asked
Jun 26, 2014
by
sreemathi.v
1
answer
Describe the sample space for the indicated experiment : A coin is tossed and a die is thrown
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q4
sec-a
easy
asked
Jun 26, 2014
by
sreemathi.v
1
answer
Describe the sample space for the indicated experiment : A coin is tossed four times
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q3
sec-a
easy
asked
Jun 26, 2014
by
sreemathi.v
1
answer
Describe the sample space for the indicated experiment : A die is thrown two times
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q2
sec-a
easy
asked
Jun 26, 2014
by
sreemathi.v
1
answer
Describe the sample space for the indicated experiment : A coin is tossed three times
cbse
math
class11
ch16
probability
bookproblem
exercise16-1
q1
sec-a
easy
asked
Jun 26, 2014
by
sreemathi.v
1
answer
A local TV company produced a batch of 100 TVs. Four of the TVs are defective. What is the probability a customer randomly selects three good TVs ?
jeemain
math
cbse
class11
probability
easy
asked
Apr 2, 2014
by
balaji.thirumalai
1
answer
There are 10 cinema tickets with seat number from 1 to 10 in a row. Ram and Shyam are friends and they do not want to be apart. If they are asked to randomly pick up their tickets, what is the probability for Ram and Shyam to sit next to each other?
jeemain
math
class11
probability
easy
asked
Apr 2, 2014
by
balaji.thirumalai
1
answer
What is the probability that a leap year chosen at random will have 53 Sundays?
jeemain
math
class11
probability
easy
asked
Apr 2, 2014
by
balaji.thirumalai
1
answer
Lets say you enter a Chess tournament. The probability of winning a game against half the players is 0.3, the probability of winning against one quarter of them is 0.4 and the probability of winning against the remaining one quarter is 0.5. Let's say you play against a randomly chosen opponent. What is your probability of winning?
jeemain
math
probability
cbse
easy
sec-a
class12
multiplication theorem
ch13
additionalproblem
mock
asked
Feb 12, 2014
by
balaji.thirumalai
1
answer
What is the difference between Bayes theorem and Total Probability theorem?
cbse
class12
math
ch13
probability
asked
Feb 12, 2014
by
sindhusankar30_1
1
answer
A bag contains 4 balls. Two balls are drawn at random and are found to be white. What is the probability that the bag has 3 white balls.
cbse
class12
ch13
additionalproblem
sec-c
difficult
math
jeemain
probability
asked
Jan 31, 2014
by
rvidyagovindarajan_1
1
answer
Suppose you roll 5 dice and sum up the highest 3 numbers. What is the probability that the sum is 18?
cbse
class12
ch13
additionalproblem
sec-b
difficult
math
jeemain
probability
asked
Jan 30, 2014
by
balaji
1
answer
If you flip a fair coin 19 times, what is the probability that you will end up with an even number of heads?
jeemain
math
probability
cbse
class11
events
ch13
medium
sec-a
asked
Jan 29, 2014
by
balaji
1
answer
In a binomial distribution the mean is 15 and variance is 10, then parameter $n$ is
jeemain
math
cbse
class12
probability
ch13
bionomial-distribution
difficult
q25
asked
Jan 16, 2014
by
thanvigandhi_1
1
answer
Probability of getting positive integral roots of the equation $ x^2-n=0$ for the integer $ n \: \: \: 1 \leq n \leq 40$ is
jeemain
math
cbse
class12
ch13
probability
events
easy
q50
asked
Jan 16, 2014
by
thanvigandhi_1
1
answer
Twelve tickets are numbered from 1 to 12. One tickets is drawn at random, then the probability of the number to be divisible by 2 or 3 is
jeemain
math
cbse
class12
probability
events
difficult
q24
asked
Jan 16, 2014
by
thanvigandhi_1
1
answer
If X is a Poisson variate such that $ P(X=1)=P(x=2)$ the $P(x=4)$ is equal to
jeemain
math
cbse
class12
probability
easy
poisson-variance
q49
asked
Jan 16, 2014
by
thanvigandhi_1
1
answer
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