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Research in the gaming industry showed that 8% of all slot machines in the United States...

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Statistics


Research in the gaming industry showed that 8% of all slot machinesin the United States stop working each year. Short’s Game Arcadehas 70 slot machines and only 5 failed last year. Use the five-stephypothesis-testing procedure at the 0.05 significance level to testwhether this data contradicts the research report.


(a) State the null hypothesis and the alternate hypothesis. (Roundyour answers to 2 decimal places.)
H0: π =
H1: π ≠

(b) State the decision rule for 0.05 significance level. (Negativeamounts should be indicated by a minus sign. Round your answers to2 decimal places.)
H0 is rejected if z is not between _______ and _______

(c) Compute the value of the test statistic. (Negative amountshould be indicated by a minus sign. Round your answer to 2 decimalplaces.)

(d) Determine the p-value. (Round your answer to 4 decimalplaces.)

Answer & Explanation Solved by verified expert
4.3 Ratings (527 Votes)
a The Hypotheses areH0 008H1 008b Rejction regionReject Ho at 005 if Z    See Answer
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