A study showed that 63% of supermarket shoppers believe supermarket brands to be as good 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) If a sample of 100 shoppers showed 51 stating that the supermarket brand was as good as the national brand, what is the p-value? i. Find the value of the test statistic. (Round your answer to two decimal places.) ii.Find the p-value. (Round your answer to four decimal places.)
A study showed that 63% of supermarket shoppers believe supermarket brands to be as good 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) If a sample of 100 shoppers showed 51 stating that the supermarket brand was as good as the national brand, what is the p-value? i. Find the value of the test statistic. (Round your answer to two decimal places.) ii.Find the p-value. (Round your answer to four decimal places.)
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 13CYU
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A study showed that 63% of supermarket shoppers believe supermarket brands to be as good 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)
If a sample of 100 shoppers showed 51 stating that the supermarket brand was as good as the national brand, what is the p-value?
i. Find the value of the test statistic. (Round your answer to two decimal places.)
ii.Find the p-value. (Round your answer to four decimal places.)
p-value =
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