Ask Questions, Get Answers
Menu
X
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
5 Test Series
CBSE XII
Math
JEEMAIN
Math
Physics
Chemistry
Practice Test Series
CBSE XI
Math
NEET
Physics
Chemistry
Biology - XII
Biology - XI
Olympiad class V
Math - 5 Test Series
Olympiad class VI
Math - 5 Test Series
studyplans
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
5 Test Series
CBSE XII
Math
JEEMAIN
Math
Physics
Chemistry
Practice Test Series
CBSE XI
Math
NEET
Physics
Chemistry
Biology - XII
Biology - XI
Olympiad class V
Math - 5 Test Series
Olympiad class VI
Math - 5 Test Series
mobile
exams
ask
sample papers
tutors
pricing
sign-in
Download our FREE mobile app with 1000+ tests for CBSE, JEE MAIN, NEET
X
Search
Topics
Want to ask us a question?
Click here
Browse Questions
Student Questions
Ad
Home
>>
CBSE XII
>>
Math
>>
Probability
0
votes
Find the mean and variance of number of sines in two tosses of a die.
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q39
p43
math
Share
asked
Feb 5, 2013
by
meena.p
Please
log in
or
register
to add a comment.
Can you answer this question?
Do not ask me again to answer questions
Please
log in
or
register
to answer this question.
Related questions
0
votes
1
answer
Obtain the probability distribution of number of sixes in two tosses of a dice. Also find mean/ variance.
asked
Feb 5, 2013
by
meena.p
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q29
p42
math
0
votes
0
answers
A die is thrown again and again untill three sixes are obtained. Find the probability of obtaining third six in sixth throw of dice.
asked
Feb 5, 2013
by
meena.p
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q48
p43
math
0
votes
0
answers
If the second die always shows an odd no. find the conditional probability of getting a sum as 7, if a pair of dice is to be known.
asked
Feb 5, 2013
by
meena.p
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q46
p43
math
0
votes
0
answers
Two dice are thrown. Find the probability that the number appeared have a sum 8 if it is known that second dice always exhibits 4.
asked
Feb 5, 2013
by
meena.p
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q45
p43
math
0
votes
0
answers
Two cards are drawn from a pack. Find the probability that number of aces are drawn. (Write probability distribution table)
asked
Feb 5, 2013
by
meena.p
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q38
p43
math
0
votes
0
answers
Two cards are drawn without replacement from a pack. Find the probability distribution of number of face cards.
asked
Feb 5, 2013
by
meena.p
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q35
p43
math
0
votes
0
answers
A random variable X has probability distribution P(X) of the following form where K is some number. \[P(X)= \left\{ \begin{array}{1 1} k & \quad if & \quad x=0 \\ 2k & \quad if & \quad x=1 \\3k & \quad if & \quad x=0 \\0 & \qquad otherwise \end{array} \right.\]\[Find\;(1)\;K\qquad(2)\;p(x>2)\]
asked
Feb 5, 2013
by
meena.p
cbse
class12
additionalproblem
kvquestionbank2012
ch13
q50
p43
sec-a
math
Ask Question
SUBMIT QUESTION
►
Please Wait
Take Test
JEEMAIN Crash Practice
15 Test Series
NEET Crash Practice
5 Test Series
JEEMAIN
350+ TESTS
NEET
320+ TESTS
CBSE XI MATH
50+ TESTS
CBSE XII MATH
80+ TESTS
x
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App
...