# Question 10Marketresearchers would like to know if consumers

Question 10Marketresearchers would like to know if consumers can taste the differencebetween a product made with low calorie oil and the same product madewith regular oil. A random sample of 400 people are blindfolded andgiven both products to taste. Overall, 230 people correctly guess whichis the low-calorie product. Is there evidence of a difference in taste of the two products? Sample percentage of correct guesses is 1.5 standard errors above 50%, so there is no evidence of a difference in taste.Sample percentage of correct guesses is 2.0 standard errors above 50%, so there is no evidence of a difference in taste.Sample percentage of correct guesses is 3.0 standard errors above 50%, so there is evidence of a difference in taste.