From a group of 5 boys and 3 girls, three persons are chosen at random, find the probability that there are more girls than boys.
Answers
Given : From a group of 5 boys and 3 girls , three person are selected at random .
To find : probability that there are more girls than boys
Solution :
Boys = 5
Girls = 3
Total = 8
Number ways of selecting 3 person = ⁸C₃ = 56
more girls than boys Means
2 Girls 1 boy or 3 girls No boy
³C₂*⁵C₁ + ³C₃
= 3 * 5 + 1
= 15 + 1
= 16
Probability that there are more girls than boys = 16/56
= 2/7
2/7 is the Probability that there are more girls than boys
Learn More:
An office has 8 officers including two who are twins. Two teams, red ...
https://brainly.in/question/9597215
A team of five members is formed from 9 boys and 8 girls. Find the ...
https://brainly.in/question/20702301
Step-by-step explanation:
probability is 1/4 because girls more than boys !! .
(E) = The number of assingment of 5 boys and 3 girls when 3 girls are cosecutive =6!