the coffee spot served several pastries this afternoon. poppy seed muffins 1 cinnamon rolls 3 bran muffins 2…
the coffee spot served several pastries this afternoon. poppy seed muffins 1 cinnamon rolls 3 bran muffins 2 apple fritters 2 croissants 2 considering this data, how many of the next 20 pastries served should you expect to be bran muffins? bran muffins
Answer
Explanation:
Step1: Calculate total pastries served
$1 + 3+2 + 2+2=10$
Step2: Find proportion of bran muffins
Proportion of bran muffins is $\frac{2}{10}=0.2$
Step3: Calculate expected number in 20 pastries
Expected number = $0.2\times20 = 4$
Answer:
4