a miniature golf course recently provided a number of customers with golf balls, including 2 red golf balls…
a miniature golf course recently provided a number of customers with golf balls, including 2 red golf balls and 6 other golf balls. based on experimental probability, how many of the next 12 golf balls handed out should you expect to be red golf balls? red golf balls
Answer
Explanation:
Step1: Calculate total number of balls
The total number of balls initially is $2 + 6=8$.
Step2: Calculate probability of getting a red ball
The probability $P$ of getting a red ball is $\frac{2}{8}=\frac{1}{4}$.
Step3: Calculate expected number of red balls in 12
The expected number of red balls in 12 is $12\times\frac{1}{4}$. $12\times\frac{1}{4}=3$.
Answer:
3