Chapter 13, Problem 15GRFC

To determine

To calculate; to find the probability of given outcome, using the given table, when a spinner is rolled.

Answer to Problem 15GRFC

Solution: $P\left(even\right)=\frac{11}{20}or55\%$

Explanation of Solution

Even numbers in the table are $2and4$

Number of times 2 occurs $=7$

Number of times 4 occurs $=4$

Total number of favorable outcomes $=11$

Total number of possible outcomes $=20$

  $\begin{array}{l}P\left(even\right)=\frac{numberoffavorableoutcomes}{numberofpossibleoutcomes}\\ =\frac{11}{20}\end{array}$