A Chain Of Restaurants Wants To Open New Branches Only In Those Areas That Have A Proportion Of Schools Of At Least 0.23. The Chain Is Considering Opening A Restaurant In A Certain Neighborhood. A Selected Sample In This Neighborhood Of 256 People Reveals

匿名用户 最后更新于 2021-12-01 19:18 数学类Mathematics

A chain of restaurants wants to open new branches only in thoseareas that have a proportion of schools of at least 0.23. The chainis considering opening a restaurant in a certain neighborhood. Aselected sample in this neighborhood of 256 people reveals thatthere are 41 schools. Using a 0.01 significance level, would youconclude that the company should open a restaurant in thatneighborhood?

Test the claim by answering the following questions:

  1. State the null and alternative hypotheses and label yournumbers.
  2. Describe your test, is it an upper z (or t) tailed-test, alower z (or t) tailed-test, or a two-tailed z (or t) test?
  3. Calculate the test statistic, OR the p-value OR the confidenceinterval.
  4. State the decision rule and make sure to use the criticalvalues.
  5. Make a decision, i.e., interpret your results in part (d).

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