Question

Ten students are to be selected for a project
from a class of 30 stdudents. There are
4 students who want to be together either
in the project or not in the project. Find the
number of possible selections.​

Answer 1

Answer:

so first the selected students are 10/30 i.e 1/3

not selected 20/30 = 2/3

either in project = 4/10 = 2/5

not in project = 6/10 = 3/5

Step-by-step explanation:

so these are the possible selections