Ask a Doubt
Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 12-science Answered

sir what is E' or F' in a given probability and how is it anyway different then E and F in a probability?
Asked by Drona | 18 Mar, 2013, 09:18: PM
Expert Answer
The complement of an event A, is the set of all outcomes which are not in A (or not favourable to) A. It is denoted by A’
 
A' is definitely different from A.
P(A') = 1 - P(A)
Answered by | 19 Mar, 2013, 12:31: PM
Multiple Choice Questions Practice Test Subjective Questions Webinar Subjective Questions Pre Board Assessment

Concept Videos

Answered Unanswered My Questions My Answers
CBSE 12-science - Maths
Assuming the probability of a male birth as 1/2, find the probability that a family of 3 children will have: a) two boys and one girl b) at most two girls 
Asked by arjunsah797 | 03 May, 2022, 10:04: AM
ANSWERED BY EXPERT
CBSE 12-science - Maths
A Five digits number is written down at random. Find the probability that number is divisible by 5 and no two consecutive digits are identical.
Asked by rairp2017 | 27 May, 2021, 12:21: AM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Find the probability of success p for a binomial distribution, if n = 6 and 4 × P(X=4) = P(X=2)
Asked by 1999shaileshraj | 22 Feb, 2020, 11:50: AM
ANSWERED BY EXPERT
CBSE 12-science - Maths
Plz answer 8 b part
Asked by lovemaan5500 | 07 Feb, 2020, 09:47: AM
ANSWERED BY EXPERT
CBSE 12-science - Maths
A bag contains 5 white balls and 9 red balls. Three balls are drawn from the bag. What is the probability that at least one ball is white?: Looks like answer posted as 55/182 is wrong. Request to recheck it once again.
Asked by sachinkumarmishra1 | 31 Jan, 2020, 05:17: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
A bag contains 5 white balls and 9 red balls. Three balls are drawn from the bag. What is the probability that at least one ball is white?
Asked by sachinkumarmishra1 | 29 Jan, 2020, 02:59: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
A bag contains 5 white balls and 9 red balls. Three balls are drawn, without replacement, from the bag. What is the probability that at least one ball is white?
Asked by sachinkumarmishra1 | 27 Jan, 2020, 12:27: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
A bag contains 7 white , 5 Black and 4 red balls. 4 balls are drawn without replacement. Find the probability that atleast 3 balls are black.
Asked by sachinkumarmishra1 | 24 Jan, 2020, 11:10: AM
ANSWERED BY EXPERT
CBSE 12-science - Maths
From a bag containing 8 white and 5 Black balls. Four balls are drawn one by one without replacement . Find the probability that exactly two of them are white.
Asked by sachinkumarmishra1 | 23 Jan, 2020, 12:00: PM
ANSWERED BY EXPERT
CBSE 12-science - Maths
a bag contains 4 red ,6 green, 3 white balls ,three balls are drawn one after one the other without replacement,find the probability that the balls are red,green and green  My doubt is --How can we solve this question by combination ? The explanation given is    begin mathsize 16px style probability space of space taking space 1 st space ball space red space ball equals 4 over 13 probability space of space taking space 2 nd space ball space green space ball equals 6 over 12 space left parenthesis no space replacement right parenthesis probability space of space taking space 3 rd space ball space green space ball equals 5 over 11 space left parenthesis no space replacement right parenthesis so space in space total 4 over 13 cross times 6 over 12 cross times 5 over 11 end style  
Asked by sachinkumarmishra1 | 22 Jan, 2020, 05:50: PM
ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt

Start your hassle free Education Franchisee and grow your business!

Know more
×