tracys pie shop recently sold 15 pies, of which 3 were blackberry pies. considering this data, how many of…
tracys pie shop recently sold 15 pies, of which 3 were blackberry pies. considering this data, how many of the next 20 pies sold should you expect to be blackberry pies? blackberry pies
Answer
Explanation:
Step1: Calculate the proportion of blackberry pies
The proportion of black - berry pies in the first sale is $\frac{3}{15}=\frac{1}{5}$.
Step2: Use the proportion to predict the number
Multiply the proportion by the number of pies in the next sale. Let $x$ be the expected number of black - berry pies in the next 20 pies sold. Then $x=\frac{1}{5}\times20$. $x = 4$
Answer:
4