1.) Research in the gaming industry showed that 14 percent of all slot machines in the United States stop working each year. Short s Game Arcade has 75 slot machines and only 5 failed last year. Use the five-step hypothesis-testing procedure at the .05 significance level to test whether this data contradicts the research report.
(b)State the decision rule for .05 significance level. (Negative amounts should be indicated by a minus sign. Round your answers to 2 decimal places.)
H0 is rejected if z is not between________ and ________
(c)Compute the value of the test statistic. (Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places.)
z value is
d)Determine the p-value. (Round your answer to 4 decimal places.)
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Step by step method for computing test statistic for Z test is given in the answer.