3 The Manufacturer Of Skittles Is Considering Changing The Flavor Of The Green Skittle From Green Apple Back To Lime In 1 (36.62 KiB) Viewed 10 times
3 The Manufacturer Of Skittles Is Considering Changing The Flavor Of The Green Skittle From Green Apple Back To Lime In 2 (52.62 KiB) Viewed 10 times
3 The manufacturer of Skittles is considering changing the flavor of the green Skittle from green apple back to lime. In order to help with that decision, Skittles performs a comparison taste test in St. Louis. Four hundred (400) consumers taste tested the Skitties, and 280 responded that they preferred the lime flavor, while 120 responded they preferred the green apple flavor. a. What is the point estimate of the proportion of consumers who prefer lime flavor over green apple? b. A1 90% confidence, what is the margin of error for the proportion of consumers who prefer the lime flavor? Provide your answer to 4 decimal places. c. Provide a 90% confidence interval for the population proportion of consumers who prefer the lime flavor for green Skittles: Provide your answers to 4 decimal places 80 F3 4 10 the word consumen ho prefer the men anle 14 95 5 FS < 6 7 Skiles shoulde 8 DII FR 9
d. Looking now at the weird consumers who prefer the green apple flavor (after all, Skittles shouldn't be sour tasting--yuck), provide a 95% confidence interval for the population proportion of consumers who prefer the green apple flavor for green Skittles: Provide your answers to 4 decimal places. e. After the taste testing in St. Louis, Skittles plans to do another round of taste testing but this time in Denver. Skittles wants to increase the confidence or probability to 99%, with a margin of error of 4% (.04). How many people, n, should Skittles sample at the taste testing event in Denver? 80 F3 Q to F4 O F5 F6 F7 DII F8 F9
Join a community of subject matter experts. Register for FREE to view solutions, replies, and use search function. Request answer by replying!