Answer:
The answer is
.
Explanation:
There are five squares, two triangles, two ovals, and four circles.
So, total shapes are =
![5+2+2+4=13](https://img.qammunity.org/2020/formulas/mathematics/middle-school/54jww9z742ivduhdxasx4gml9v0m6vwli4.png)
The probability that the first chosen shape will be a circle is given by :
![(possible outcomes)/(total number of outcomes)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/b1noyohlz694mnhgq8jvkncd9y0c15c1q9.png)
=
![(4)/(13)](https://img.qammunity.org/2020/formulas/mathematics/middle-school/boqtiu1ryrttp52u8i1lvhk6fuelokobsi.png)
Note: 4 because any 1 out of 4 can be selected.