brandon recorded which donut his nephew picked for breakfast the past few months.\n|cake donuts|2|\n|chocolat…
brandon recorded which donut his nephew picked for breakfast the past few months.\n|cake donuts|2|\n|chocolate frosted donuts|2|\n|jelly - filled donuts|5|\n|glazed donuts|3|\nconsidering this data, how many of the next 20 donuts brandons nephew picks for breakfast would you expect to be glazed donuts?\n glazed donuts
Answer
Explanation:
Step1: Calculate total donuts counted
$2 + 2+5 + 3=12$
Step2: Find probability of picking glazed donuts
The probability $P$ of picking a glazed donut is $\frac{3}{12}=\frac{1}{4}$
Step3: Calculate expected number of glazed donuts in 20 picks
Expected number $E = 20\times\frac{1}{4}=5$
Answer:
5