[tex]\boldsymbol{\mathbf{Answer}}[/tex]
[tex]\boldsymbol{\mathbf{1235520\,different\, ways\,can\,six\, people\,be\, selected}}[/tex]
[tex]\boldsymbol{\mathbf{Step-by-step explanation}}[/tex]
A medical researcher need to select 6 people out of 13 people who have volunteered for the test in
To find, how many ways can 6 people be selected.
= [tex]{13}\times{12}\times{11}\times{10}\times{9}\times{8}[/tex]
=
[tex]\boldsymbol{\mathbf{= 604800 ways}}[/tex]
[tex]\boldsymbol{\mathbf{1235520\,different\, ways\,can\,six\, people\,be\, selected}}[/tex]
