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.
-What are the null and alternative hypotheses for a chi-square goodness of fit test?