Question

In: Statistics and Probability

A magazine article reported that 13% of adults buy takeout food every day. A fast food...

A magazine article reported that 13% of adults buy takeout food every day. A fast food restaurant manager surveyed 250 customers and found that 40 said that they purchased takeout food everyday. At 0.01 level of significance, is there sufficient evidence to believe the article’s claim? Express numerical answers in two decimals only.

Is the test one-tailed?
What is the sample proportion?
What is the null hypothesis?
What is the alternative hypothesis?
What is the critical value?
What is the computed value of the test statistic?
Decision and Conclusion?

Solutions

Expert Solution

Above test is two tailed test.

Sample proportion = 0.16

Conclusion : As we fail to reject the null hypothesis at 1% loa we conclude that the articals claim is false.

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