Question

A circular dial is divided into 8 equal parts from the origin toward the circumference. Beginning at the top, they are labeled clockwise as A, B, C, E, E, E, F and A. A needle is fixed at the center, with the arrow pointing to the center line between parts A and A at the top of the dial.


What is the probability of landing on letter F?

(1 point)
Responses

78
Start Fraction 7 over 8 End Fraction

18
Start Fraction 1 over 8 End Fraction

1
1

14

Answer 1

The circular dial is divided into 8 equal parts labeled A, B, C, E, E, E, F, and A.

To find the probability of landing on letter F, we note that there is only 1 part labeled F out of the total of 8 parts.

The formula for probability is:

\[
P(\text{F}) = \frac{\text{Number of favorable outcomes}}{\text{Total number of outcomes}}
\]

Here, the number of favorable outcomes (landing on F) is 1, and the total number of outcomes (total parts) is 8.

So the probability is:

\[
P(\text{F}) = \frac{1}{8}
\]

Therefore, the probability of landing on letter F is:

\[
\text{Start Fraction 1 over 8 End Fraction}
\]

So the correct response is: **Start Fraction 1 over 8 End Fraction**.