Question

26. In

a
marketing survey for the
introduction of a new product in a town,
a sample of 400 persons was drawn.
When they were approached for sale, 80
of them purchased the product. Find
95% confidence limits for the percentage
of persons who would buy the product
in the town.
(A) (16.08, 23.92]
(C) [17.08, 23.95]
(B) (16.28, 24.92]
(D) none of these.​

Answer 1

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Step-by-step explanation:

the answer is C (17.08,23.95)