# Hypothesis Testing Problems for Research Industry

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.)

p-value

please show on excel if you can :)

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#### Solution Summary

Step by step method for computing test statistic for Z test is given in the answer.