Research in the gaming industry showed that 12% of all slot machines in the United States stop working each year

Research in the gaming industry showed that 12% of all slot machines in the United States stop working each year. Short’s Game Arcade has 45 slot machines and only 3 failed last year. Use the five-step hypothesis-testing procedure at the 0.01 significance level to test whether this data contradicts the research report.

(a) State the null hypothesis and the alternate hypothesis. (Round your answers to 2 decimal places.)
(b) State the decision rule for 0.01 significance level. (Negative amounts should be indicated by a minus sign. Round your answers to 2 decimal places.)

(c) Compute the value of the test statistic. (Negative amount should be indicated by a minus sign. Round your answer to 2 decimal places.)