Consider the following to answer the question(s) below:
Winnipeg Pet Plus believes that it has a market share of 25 percent of the local dog food market. They survey 100 dog owners and ask whether or not it is their regular source of dog food, and 23 people say "yes."
-At α = 0.05
A) we cannot conclude that the percentage of customers who buy their dog food regularly at Winnipeg Pet Plus is significantly different from 25%.
B) we can conclude that the percentage of customers who buy their dog food regularly at Winnipeg Pet Plus is precisely equal to 25.00%.
C) we can conclude that the percentage of customers who buy their dog food regularly at Winnipeg Pet Plus is significantly lower than 25%.
D) we can conclude that the percentage of customers who buy their dog food regularly at Winnipeg Pet Plus is significantly higher than 25%.
E) there is strong evidence that the percentage of customers who buy their dog food regularly at Winnipeg Pet Plus is significantly different from 25%.

Question

Quizplus · Accepted Answer

With only 23 out of 100 dog owners surveyed saying they regularly buy dog food at Winnipeg Pet Plus, we cannot conclude with a 95% level of confidence that the percentage of customers is significantly different from 25%. The sample size is not large enough to provide strong evidence for any significant difference.

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