Question

A spinner with 8 equally sized slices is shown below. ( slices are red, 4 are blue,3 and 1 is yellow.) The dial is spun and stops on a slice at random. What is the probability that the dial stops on a red or blue slice?Write your answer as a fraction or a whole number.

Answer 1

`(7)/(8)`

Step-by-step explanation

Given that total slices are 8

Number of red and blue slices;

`\begin{gathered} red=4 \\ blue=3 \\ n(B&R)=4+3=7 \end{gathered}`

Hence, the probability that the dial stops on a red or blue slice is;