Suspecting that a die may be unfair,you want to investigate.To check,you roll it 18 times,recording the number of times each face appears. $$\begin{array} { l | l }
\text { Face } & \text { Count } \
\hline 1 & 3 \
2 & 5 \
3 & 2 \
4 & 4 \
5 & 2 \
6 & 2
\end{array}$$ If the die is fair,how many times would you expect each face to show?
A)2
B)6
C)3
D)4
E)1

Question

Suspecting that a die may be unfair,you want to investigate.To check,you roll it 18 times,recording the number of times each face appears. $$\begin{array} { l | l } 
\text { Face } & \text { Count } \
\hline 1 & 3 \
2 & 5 \
3 & 2 \
4 & 4 \
5 & 2 \
6 & 2
\end{array}$$ If the die is fair,how many times would you expect each face to show?
A)2
B)6
C)3
D)4
E)1

Quizplus · Accepted Answer

If the die is fair, each face should appear an equal number of times. Since the die is rolled 18 times and there are 6 faces, each face should appear 18/6 = 3 times.

Suspecting That a Die May Be Unfair,you Want to Investigate Face Count 132532445262\begin{array} { l | l } \text { Face } & \text { Count } \\\hline 1 & 3 \\2 & 5 \\3 & 2 \\4 & 4 \\5 & 2 \\6 & 2\end{array} Face 123456​ Count 352422​​

Suspecting That a Die May Be Unfair,you Want to Investigate $\begin{array} { l | l } \text { Face } & \text { Count } \\\hline 1 & 3 \\2 & 5 \\3 & 2 \\4 & 4 \\5 & 2 \\6 & 2\end{array}$