A gambling casino records and plots the mean daily gain or loss from 5 blackjack tables. The population mean for the month from these 5 tables is $10,825 and the known standard deviation is $1,610.
If the casino starts to lose more than $16,000 a night for a week straight should they be concerned?
Question 17 options:
Yes, because $16,000 is inside the upper control limit and it is in a process of control.
No, because $16,000 is outside the upper control limit and it is in a process of control.
Yes, because $16,000 is outside the upper control limit and it is not in a process of control anymore.
No, because $16,000 is inside the upper control limit, and it is not in a process of control anymore.
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