Chicken Delight claims that 90% of its orders are delivered within 10 minutes of the time the order is placed. A sample of 100 orders revealed that...

Chicken Delight claims that 90% of its orders are delivered within 10 minutes of the time the order is placed. A sample of 100 orders revealed that 82 were delivered within the promised time. At the .10 significance level, can we conclude that less than 90% of the orders are delivered in less than 10 minutes?

a         What is the Null Hypothesis?

                                                                                                           Ho   µ   _____      _____

                                                                                                           Ha    µ   _____      _____

b         Hypothesis test being performed is?   (Circle answer)