Lottery Ticket Probability Problem

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Caryn

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Casino Game Probability Problem

A casino has a game that makes a mean of $0.22 per play. The standard deviation is $0.002 and 4,544 people play the game on a given day.What is the minimum income from this game that the casino can reasonably (95% probability) expect in a day?
 
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($0.22 * 4544) - [\(\displaystyle Z_{\alpha}\cdot\) (something about the standard deviation?)]

What do you think?
 
You missed the \(\displaystyle Z_{\alpha}\). It's related to the Confidence Level.
 
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