Question

According to a global Nielson report, 66% of North Americans pay more attention to the nutritional information on a package than they did two years ago. A random sample of 400 individuals from North America showed that 300 people stated that they did pay more attention to the nutritional information on a package than they did two years ago. We are interested in testing to see if the proportion has changed. Calculate the p-value and assess the strength of evidence against the null hypothesis.

A.

p-value = 0.9993, no evidence against the alternate hypothesis

B.

p-value = 0.9993, no evidence against the null hypothesis

C.

p-value = 0.0001, extremely strong evidence against the null hypothesis

D.

p-value = 0.0001, extremely strong evidence against the alternate hypothesis

Answer 1

Solution-

● From given information data is summarised and test is calculated.

◆ p-value conclusion-

Option C is correct.

C. p-value = 0.0001, extremely strong evidence against the null hypothesis

● Test results -

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