A study showed that 66% 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 66%.
: - Select your answer -greater than or equal to 0.66 greater than 0.66 less than or equal to 0.66 less than 0.66 equal to 0.66 not equal to 0.66 Item 1
: - Select your answer -greater than or equal to 0.66 greater than 0.66 less than or equal to 0.66 less than 0.66 equal to 0.66 not equal to 0.66 Item 2
b.If a sample of 100 shoppers showed 53 stating that the supermarket brand was as good as the national brand, what is the
p-value (to 4 decimals)?
c.At a=.05 what is your conclusion?
-value - Select your answer -greater than 0.05, do not rejectgreater than or equal to 0.05, rejectless than or equal to 0.05, rejectless than 0.05, rejectequal to 0.05, do not rejectnot equal to 0.05, do not rejectItem 4
d.Should the national brand ketchup manufacturer be pleased with this conclusion?
- Select your answer -Yes or No