Problem 112f

Given information

Table  identifies a group of children by one of four hair colors, and by type of hair.

Step-by-step explanation

The completed table is as follows:

The above table identifies a group of children by one of four hair colors and by type of hair.

Let there be an event ,Then,  is given as

Total number of children ,

Number of children with brown hairs ,

Let  is the event of a child having brown hair

Thus, probability that a randomly selected child will have brown hair is given as

Now,

,

Therefore, the probability of the complement of event is .