Given
Expressions
Find
Which cannot be a probability
Explanation
As we know that probability cannot be more than 1.
1.
[tex]\frac{^{99}P_1}{^{99}P_2}=\frac{\frac{99!}{98!}}{\frac{99!}{97!}}=\frac{97!}{98!}=\frac{1}{98}[/tex]
2.
[tex]\frac{^{99}C_{97}}{^{99}C_{98}}=49[/tex]
Final Answer
Option 2 is correct because it is more than 1.
