Question

If two out of every fifteen trick or treaters that came to your house last halloween were dressed as spider-man, what proportion of rick or treaters were not dressed as spider-man?

Answer 1

Given,

The total number of theaters or trick are 15.

The number of trick or theater dressed spider man is 2.

The proportion of theaters or trick who dressed spider man is,

`\begin{gathered} n(p)=\frac{nu\text{mber of tricks dressed}}{\text{total tricks and theaters}} \\ =(2)/(15) \end{gathered}`

The proportion of theaters or trick who dressed spider man is