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i need help with my statistics homework

Statistics
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Research in the gaming industry showed that 12% of all slot machines in the U.S stop working each yr.Short's  Game Arcade has 80 slot machines and only 2 failed last yr. Use the five teps hypothesis testing procedure at the 0.2. Significance level to test whether the data contradicts the research report

a)State the null hypothesis and the alternate hypothesis(round answer to 2 decimal places

b)State the decision rule for 0,02 significance level. Negative amounts should be indicated by a minus sig

Apr 17th, 2015

null hypothesis- In us 12% of slot machines do not fail yearly

Alternative- in us 12% of slot machine fails yearly

b)-4.2

Apr 17th, 2015

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