Question

Of 500 people surveyed, 460 liked the new flavor of Mintie Toothpaste. Suppose the manufacturer operates on the standard that over 90% must respond that they like the new formula. What should the company do?

A.The company should continue making Mintie toothpaste, because 92% liked the new formula.
B. The company should discontinue making the Mintie toothpaste, because 89% liked the new formula.
C.The company should repeat the survey, because exactly 90% liked the new formula.
D. The company should discontinue the toothpaste, because only 79% liked the new formula.

Answer 1

%=100(460/500)

46000/500 %

92%

The answer is A.

Answer 2

Option A is right

Explanation:

Given that Of 500 people surveyed, 460 liked the new flavor of Mintie Toothpaste. Suppose the manufacturer operates on the standard that over 90% must respond that they like the new formula.

Proportion favourable = 460/500 =0.92 = 92%

Since 92% is more than 90%, the company can continue the product

Hence option A)

The company should continue making Mintie toothpaste, because 92% liked the new formula.

is right answer.