a group of 80 students are selected of class X and asked for their choice of subject to be taken - Maths - Probability

Question

a group of 80 students are selected of class X and asked for their
choice of subject to be taken in class XI which is recorded as
below

If a student is chosen at random find the probability that is a
student of either commerce or humanities stream

Neha Sethi · Accepted Answer

Dear student
Number of students    who  opted for commerce or humanities stream=21+12=33Total number of students =29+18+21+12=80 Probability that the student has either opted commerce or humanities stream=favouable outcomestotal outcomes=3380=0
4125
Regards

a group of 80 students are selected of class X and asked for their choice of subject to be taken in class XI which is recorded as below. If a student is chosen at random find the probability that is a student of either commerce or humanities stream.

a group of 80 students are selected of class X and asked for their choice of subject to be taken in class XI which is recorded as below.

If a student is chosen at random find the probability that is a student of either commerce or humanities stream.