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The casino has lots of data on its old slot machines and your boss tells you...

The casino has lots of data on its old slot machines and your boss tells you that they have averaged $2,450 per month in earning for the casino. Your boss wants to knoww hether (based on your data—collected in part 2) the new machines you have purchased are significantly different from the old ones. You decide to perform a hypothesis test using an alpha = 0.05 to find out.

n=100 Standard deviation=200 xbar=2500

1. What type of test would you perform?

2. State H0 and HA

3. How many degrees of freedom do you have?

4. What value does your test statistic take?

5. What is the probability that H0 is true?

6. Would you accept or reject H0?

math   Statistics-And-Probability   
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