State the null and alternate hypotheses

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Rc Cola soda, inc. claims that 20 percent of the population can identity its products. In efforts to boost their identity, Rc Cola employs a famous spokesperson to advertise. A survey is then taken to assess the results o the ad campaign. The results show that 21 percent of the 1000 respondents can identity RC cola products. Has the advertising campaign made any difference in the product identity? Use the 0.05 significance level.

a) State the null and alternate hypotheses

b) State the decision

c) Compute the value of the test statistic

d) Estimate the p- value

e) What is your decision regarding the null hypothesis? Interpret the result

Reference no: EM132069320

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