Answered: udy by estigate whether this result…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Transcribed Image Text:A study by Consumer Reports showed that 64% of supermarket shoppers believe supermarket brands to be as national name brands. To investigate whether this result applies to its own product, the manufacturer of a national name-brand ketchup asked a sample of shoppers whether they believed that supermarket ketchup was as good as the national brand ketchup. A sample of 100 shoppers showed 52 stating that the supermarket brand was as good as the national brand. Choose all the correct statement(s) for testing the hypotheses in determine whether the percentage of supermarket shoppers who believe that the supermarket ketchup was as good as the national brand ketchup different from 64% at a = 0.05. 1. The critical value for testing at a = 0.05 is 1.96. II. The critical value for testing at a = 0.05 is 1.645. I. The critical value for testing at a = 0.05 is -1.645. IV. It is a one-tail test on the right-hand side. V. It is a one-tail test on the left-hand side. VI. It is a two tails test on both right-and-left hand sides. VII. I. The critical value for testing at a = 0.05 is -1.96.

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