Use the Following Information for Questions

Short Answer

Use the following information for questions:
A student wants to test a claim made by a pizza company. The claim is that the proportion of students whose favorite pizza is pepperoni is 40%, vegetarian is 40%, and all others is 20%. The student takes a random sample of 100 students, and obtained the following results.
-If the null hypothesis were true, what are the expected numbers of students in the sample whose favorite pizza is pepperoni, vegetarian, or other?