SOLUTION: Research in the gaming industry showed that 10% of all slot machines in the United States stop working each year. Short's Game Arcade has 60 slot machines and only 3 have failed la

Question 712789: Research in the gaming industry showed that 10% of all slot machines in the United States stop working each year. Short's Game Arcade has 60 slot machines and only 3 have failed last year. Use the 5-step hypothesis-testing procedure at the .05 significance level to test whether this data contradicts the research repot.
I need the P-Value for this problem.
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Research in the gaming industry showed that 10% of all slot machines in the United States stop working each year. Short's Game Arcade has 60 slot machines and only 3 have failed last year. Use the 5-step hypothesis-testing procedure at the .05 significance level to test whether this data contradicts the research repot.
I need the P-Value for this problem.
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p-hat = 3/60 = 1/20 = 0.05
----
z(0.05) = (0.05-0.10)/sqrt[0.1*0.9/60] = -0.05/0.0387 = -1.2910
----
p-value = P(z < -1.2910) = 0.0984
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Cheers,
Stan H.
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