there are 9 children in kenneths preschool class. during free time yesterday, 3 of them chose to play at the…

there are 9 children in kenneths preschool class. during free time yesterday, 3 of them chose to play at the sand table. based on past data, if 12 preschoolers are at school today, how many should you expect to play at the sand table? preschoolers

there are 9 children in kenneths preschool class. during free time yesterday, 3 of them chose to play at the sand table. based on past data, if 12 preschoolers are at school today, how many should you expect to play at the sand table? preschoolers

Answer

Explanation:

Step1: Find the proportion

The proportion of children who played at the sand - table yesterday is $\frac{3}{9}=\frac{1}{3}$.

Step2: Calculate the expected number

Multiply the proportion by the number of preschoolers today. So the expected number is $\frac{1}{3}\times12 = 4$.

Answer:

4