In a class consists of 100 students and 40 of them are girls a student is selected at random to monitor the class what is the probility that a boy would not be selected as a monitor of the class students
Answers
Answer:0.6
Explanation:
total no of boys = total students- no of girls
= 100- 40
=60
probablity of boy monitor= no. of favaourable outcome
-----------------------------------
total no. of outcome
60 0.6
----------- =
100
P(a boy is selected) =60C1/100C1
=60/100
=0.6
P(a boy is not selected) =1 - P(a boy is selected)
=1 -0.6
=0.4