|
|
|
|
|
| Author |
Message |
![[Post New]](/templates/default/images/icon_minipost_new.gif) 17 Aug 2008 19:56:34 IST
|
|
|
Sum on Probability:::::::
The chance of a teacher to take a surprise test on a meet with his students is (1/5).A student remains absent for 2 consecutive meets.What is the probabilility that he will miss at least one test.
|
|
|
All India Online Test on 25th Jan 2009 for - IIT, AIEEE, KCET, EAMCET and many more .. |
| Enrol Free. Refer Friends. Win I-Phone 3G.
Register Now for FREE» |
|
|
17 Aug 2008 19:58:57 IST
|
|
|
where is the Q...
|
IMPOSSIBLES ARE OFTEN UNTRIED... |
this reply: 0 points
(with 0 
in 0 votes ) [?]
|
|
You have to be logged on to rate
|
|
|
All India Online Test on 25th Jan 2009 for - IIT, AIEEE, KCET, EAMCET and many more .. |
| Enrol Free. Refer Friends. Win I-Phone 3G.
Register Now for FREE» |
|
|
17 Aug 2008 20:40:52 IST
|
|
|
1/5*4/5 + 4/5*1/5 + 1/5*1/5
= 8/25 + 1/25
= 9/25
|
---------------------------------------------------------------
- Gaurav Ragtah (spideyunlimited)
|
this reply: 5 points
(with 1
in 1 votes ) [?]
|
|
You have to be logged on to rate
|
|
|
All India Online Test on 25th Jan 2009 for - IIT, AIEEE, KCET, EAMCET and many more .. |
| Enrol Free. Refer Friends. Win I-Phone 3G.
Register Now for FREE» |
|
|
17 Aug 2008 21:00:19 IST
|
|
|
Can u plz tell me the logic.
|
this reply: 0 points
(with 0
in 0 votes ) [?]
|
|
You have to be logged on to rate
|
|
|
All India Online Test on 25th Jan 2009 for - IIT, AIEEE, KCET, EAMCET and many more .. |
| Enrol Free. Refer Friends. Win I-Phone 3G.
Register Now for FREE» |
|
|
17 Aug 2008 21:10:19 IST
|
|
|
prob. of missing at least one test = prob. of missing 1 test + prob. of missing both tests
= (test)(no test) + (no test)(test) + (test)(test)
= 1/5*4/5 + 4/5*1/5 + 1/5*1/5
|
---------------------------------------------------------------
- Gaurav Ragtah (spideyunlimited)
|
this reply: 0 points
(with 0
in 0 votes ) [?]
|
|
You have to be logged on to rate
|
|
|
All India Online Test on 25th Jan 2009 for - IIT, AIEEE, KCET, EAMCET and many more .. |
| Enrol Free. Refer Friends. Win I-Phone 3G.
Register Now for FREE» |
|
|
|
|
|
|
|
|
|
Moderation Team
![[Up]](/templates/default/images/icon_up.gif "[Up]"){kind=icon}
