Chapter 13.5, Problem 36SPR

To determine

To determine probability of given event.

Answer to Problem 36SPR

P(pointer landing on yellow) $=\frac{70}{360}=\frac{7}{36}\approx 0.19$

Explanation of Solution

Given information:

  

Here we have to find P(pointer landing on yellow)

To determine this we shall find the fraction of angle covered by the yellow color on the spinner.

Hence the fraction of angle of yellow color is $\frac{{70}^{\circ }}{{360}^{\circ }}$ (total angle of a circle is ${360}^{\circ }$ )

Now probability of the event will be same as the fraction of yellow color as total possibilities of rotation of pointer can be 360 (considering for each degree)

Hence,

P(pointer landing on yellow) $=\frac{70}{360}=\frac{7}{36}\approx 0.19$