a study by Consumer Reports showed that 64% of supermarket shoppers believe supermarket brands to be as good as national name brands. to investigate whether this resultapplies to its own product, the manufacturer of a national name-brand ketchup asked asample of shoppers whether they believed that supermarket ketchup was as good as thenational brand ketchup.a. formulate the hypotheses that could be used to determine whether the percentage ofsupermarket shoppers who believe that the supermarket ketchup was as good as thenational brand ketchup differed from 64%.b. if a sample of 100 shoppers showed 52 stating that the supermarket brand was as goodas the national brand, what is the p-value?
a study by Consumer Reports showed that 64% 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. formulate the hypotheses that could be used to determine whether the percentage of
supermarket shoppers who believe that the supermarket ketchup was as good as the
national brand ketchup differed from 64%.
b. if a sample of 100 shoppers showed 52 stating that the supermarket brand was as good
as the national brand, what is the p-value?
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