1. Journey’s wants to know what type of shoes will the most popular for the start of next school year. They store randomly interview 30 shoppers. If they expect 750 people to buy new shoes for next school year. Based on the results how many pairs of each type sports shoes should they order?
Item
Number of people
Street Shoes 4
Sports Shoes 17
Dress
Shoes 9

2. Apple computer company needs to test a sample of i-pods to make sure they are working correctly. Which of the following would be a good random sample? a.) Test all i-pods that were made that day. b.) Test the middle i-pod that was made that day. c.) Test every 10th i-pod that was made that day. d.) Test the first few and the last few i-pods that were made that day.

3. Mrs. Flesch wants to know what percent of 7th graders participate in a sport or club. She needs to select a random sample because she doesn’t have time to talk to all 7th graders. Mr. Johns tells her to select 5 kids, Mrs. Decker tells her 15 kids, Mrs. Farrell tells her 30 kids and Mrs. Sprinkle tells her 75 kids. Who has the right sample size? a.) Johns c.) Farrell b.) Decker d.) Sprinkle

4. The mayor of Des Moines wants to randomly survey people about how to spend tax dollars. Where should he go to get a good representative sample of all people in Des Moines? a.) a school b.) a retirement home c.) skate north d.) the grocery store

5. 7.) As people leave a basketball one evening, 35 people are surveyed at random. 14 people say they bought an item from the concession stand. Using this sample, how many people should the concession stand worker expect to buy an item if 550 people attend the basketball game tomorrow?