Answer:
The expected number of pizza servings is 270.
Explanation:
Food Item Preferred Number of Students
pizza 27
cheeseburger 14
salad bar 9
Now we have been given that Fifty students were randomly selected to take part in a survey about their favorite school lunch. The school will be serving 500 lunches;
This means 10% of the total lunches or students were selected. So, if 27 students prefer pizza this means its 10 times will be needed for the whole lot making it
pizzas.
Similarly, 140 cheeseburgers and 90 salad bars will be served making a tital of =
lunches.