Question

We are interested in studying the color distribution of plain and peanut M&Ms. The follow-
ing table summarizes the colors of plain and peanut M&Ms from one bag each.
Orange Other totals
Plain 15 45 60
Peanut 8 14 22
totals 23 59 82
11. Describe the two populations.
12. Describe the two samples.
13. Describe the two parameters.
14. What are the relevant statistics?
15. Use the information from the study to test the claim that peanut M&Ms have a higher
proportion of orange. Use an = :05 level of signi cance.
16. Use the information from the study to compute a 90% con dence interval for the
di erence in proportions of plain and peanut M&Ms that are orange.

Answer 1