A Take-Out Pizza Palace Offers Four Different Pizzas

Short Answer

A take-out pizza palace offers four different pizzas. The manager believes that 45% of the single pizza customers prefer pepperoni pizza, 35% prefer the combination pizza, 15% prefer the taco pizza and 5% prefer the vegetarian pizza. To check his belief, the manager takes a random sample of 100 single pizza orders and records the following information: Do the sample data present sufficient evidence to support the manager's belief? Test the appropriate hypotheses at the 10% significance level.
Compute :
______________
Thus, one should ______________ .
Conclude that the current data ______________ the manager's belief.