CBSE Class 12-science Answered
Doubt regarding choice of formula...
Asked by RACHIT_MAHAAN | 21 Mar, 2012, 12:56: PM
Expert Answer
Both the techniques are correct , we can help u by giving an example ,
Lets say u have to calculate probability of an event where a dice is tossed thrice , number 6 appears only once .
The above problem can have sample spaces { 6 , not 6 , not 6 } , {not 6 , 6 , not 6} , {not 6 , not 6 , 6}
So probability = 3 * 1/6 * 5/6 * 5/6
But we can also say that out of the three probabilities 2 are same 5/6
So answer can be
1/6 * 5/6 * 5/6 * 3C2
Answered by | 22 Mar, 2012, 02:56: PM
Concept Videos
CBSE 12-science - Maths
Asked by annapoornaa429 | 31 Mar, 2024, 08:23: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by janusingh736 | 13 Mar, 2024, 04:19: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by khushisjkvm | 04 Jan, 2024, 07:14: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by ashwinskrishna2006 | 26 Dec, 2023, 07:34: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by babitdevi283 | 14 Nov, 2023, 09:42: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by surajsharmaisonline | 20 Jan, 2023, 12:28: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by arjunsah797 | 03 May, 2022, 10:04: AM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by rairp2017 | 27 May, 2021, 12:21: AM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Asked by 1999shaileshraj | 22 Feb, 2020, 11:50: AM
ANSWERED BY EXPERT