Question

in order to conduct an experiment, 5 subjects are randomly selected from a group of 50 subjects. how many different groups of 5 subjects are possible?

Answer 1

5 subject we have to select from a group.

total number of subject available =n=50

numb er of subject we haveto select r =5

number of different groups of 5 subjects are possible, = ⁿC_r

number of different groups of 5 subjects are possible, = ⁵⁰C₅

number of different groups of 5 subjects are possible, =

number of different groups of 5 subjects are possible, =

number of different groups of 5 subjects are possible, =

number of different groups of 5 subjects are possible, =

number of different groups of 5 subjects are possible, = 2256940 groups.

2,256,940 number of different groups of 5 subjects are possible,