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
teach
pricing
sign-in
Download our FREE mobile app with 1000+ tests for CBSE, JEE MAIN, AIPMT
X
Search
Topics
Want to ask us a question?
Click here
Browse Questions
Student Questions
Ad
Home
>>
ISC XII Math
>>
Model Papers
0
votes
The probability that a teacher will give an unannounced test during any class meeting is $\large\frac{1}{5}$.If a student is absent twice,find the probability that the student will miss at least one test.
This question has multiple parts. Therefore each part has been answered as a separate question on Clay6.com
isc
class12
modelpaper
2008
sec-a
q8
q8-b
Share
asked
Apr 15, 2013
by
sreemathi.v
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
A candidate is selected for interview of management trainees for 3 companies.For the first company,there are 12 candidates,for the second there are 15 candidates and for the third,there are 10 candidates.Find the probability that he is selected in at least one of the companies.
asked
Apr 17, 2013
by
sreemathi.v
isc
class12
modelpaper
2005
sec-a
q8
q8-b
0
votes
0
answers
Assuming that on an average one telephone out of 10 is busy,seven telephone numbers are randomly selected and called.Find the probability that three of them will be busy.
asked
Apr 16, 2013
by
sreemathi.v
isc
class12
modelpaper
2007
sec-a
q8
q8-b
0
votes
0
answers
An article manufactured by a company consists of two parts A and B .In the process of manufacture of part A,9 out of 104 parts may be defective.Similarly,5 out of 100 are likely to be defective in the manufacture of part B.Calculate the probability that the article manufactured will not be defective.
asked
Apr 12, 2013
by
sreemathi.v
isc
class12
modelpaper
2009
sec-a
q8
q8-b
0
votes
0
answers
There are two bags.One bag contains six green and three red balls.The second bag contains five green and four red balls.One ball is transferred from the first bag to the second bag.Then one ball is drawn from the second bag.Find the probability that it is a red ball.
asked
Apr 12, 2013
by
sreemathi.v
isc
class12
modelpaper
2010
sec-a
q8
q8-b
0
votes
0
answers
A box contains 30 bolts and 40 nuts .Half of the bolts and half of the nuts are rusted.If two items are drawn at random from the box,what is the probability that either both are rusted or both are bolts?
asked
Apr 10, 2013
by
sreemathi.v
isc
class12
modelpaper
2012
sec-a
q8
q8-b
0
votes
0
answers
A card is drawn at random from a pack of 52 playing cards.What is the probability that the card drawn is neither a spade nor a queen?
asked
Apr 16, 2013
by
sreemathi.v
isc
class12
modelpaper
2006
sec-a
q8
q8-b
0
votes
0
answers
Aman and Bhavan throw a pair of dice alternately.In order to win,they have to get a sum of 8.Find their respective probabilities of winning if Aman starts the game.
asked
Apr 11, 2013
by
sreemathi.v
isc
class12
modelpaper
2011
sec-a
q8
q8-b
Ask Question
SUBMIT QUESTION
►
Please Wait
Take Test
JEEMAIN Crash Practice
15 Test Series
AIPMT Crash Practice
5 Test Series
JEEMAIN
350+ TESTS
AIPMT
320+ TESTS
CBSE XI MATH
50+ TESTS
CBSE XII MATH
80+ TESTS
x
JEE MAIN, CBSE, AIPMT Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App
...