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
>>
ISC XII Math
>>
Model Papers
0
votes
The probability that a bulb produced by a factory will fuse in 100 days of use is 0.05.Find the probability that out of 5 such bulbs,after 100 days of use :
(i) None fuse. (ii) Not more than one fuses. (iii) More than one fuses. (iv) At least one fuses.
This question has multiple parts. Therefore each part has been answered as a separate question on Clay6.com
isc
class12
modelpaper
2012
sec-b
q12
q12-b
Share
asked
Apr 10, 2013
by
sreemathi.v
1
flag
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
The probability that a bulb produced by a factory will fuse after 150 days of use is 0.05. Find the probability that out of 5 such bulbs \[ \text{ (i) none (ii) not more than one (iii) more than one (iv) at least one} \] will fuse after 150 days of use.
asked
Nov 27, 2012
by
balaji.thirumalai
cbse
class12
bookproblem
ch13
sec5
p577
q5
sec-b
easy
math
0
votes
0
answers
A factory has three machines A,B and C producing 1,500,2,500 and 3,000 bulbs per day,respectively.Machine A produces 1.5% defective bulbs,machine B produces 2% defective bulbs and machine C produces 2.5% defective bulbs.At the end of the day,a bulb is drawn at random and is found to be defective.What is the probability that this defective bulb has been produced by machine B?
asked
Apr 12, 2013
by
sreemathi.v
isc
class12
modelpaper
2010
sec-b
q12
q12-a
0
votes
0
answers
An insurance company insured 4000 doctors,8000 teachers and 12,000 engineers.The probabilities of a doctor,a teacher and an engineer dying before the age of 58 years are 0.01 ,0.03 and 0.05 respectively.If one of the insured persons dies before the age of 58 years,find the probability that he is a doctor.
asked
Apr 15, 2013
by
sreemathi.v
isc
class12
modelpaper
2009
sec-b
q12
q12-b
0
votes
0
answers
The average number,in lakhs,of working days lost in strikes during each year of the period 1981-90 was :
asked
Apr 18, 2013
by
sreemathi.v
isc
class12
modelpaper
2005
sec-b
q12
q12-b
–1
vote
0
answers
Five bad eggs are mixed with 10 good ones.If three eggs are drawn one by one with replacement ,find the probability distribution of the number of goods eggs drawn.
asked
Apr 12, 2013
by
sreemathi.v
isc
class12
modelpaper
2010
sec-b
q12
q12-b
0
votes
0
answers
Bag contains 2 white,1 black and 3 red balls,Bag B contains 3 white ,2 black and 4 red balls and Bag C contains 4 white ,3 black and 2 red balls.One Bag is chosen at random and 2 balls are drawn at random from that Bag.If the randomly drawn balls happen to be red and black,what is the probability that both balls come from Bag B?
asked
Apr 11, 2013
by
sreemathi.v
isc
class12
modelpaper
2011
sec-b
q12
q12-b
0
votes
0
answers
To test the quality of electric bulbs produced in a factory, two bulbs are randomly selected from a large sample without replacement. If either bulb is defective, the entire lot is rejected. Suppose a sample of 200 bulbs contains 5 defective bulbs. Find the probability that the sample will be rejected.
asked
Jan 29, 2013
by
thanvigandhi_1
cbse
class12
modelpaper
2012
sec-b
q22
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
...