"Mathematics is the cheapest science. Unlike physics or chemistry, it does not require any expensive equipment. All one needs is pencil and paper." -- (D. J. Albers and G. L. Alexanderson,
The inference is that one in the group of 13 is doomed. Famous people who would not dine in a group of 13 include It is easy to prove that every year must have at least one Friday the 13th. |
Answer: A pane in the glass.
WILLIE MAKEIT... everybody wonders if the guy can be successful. MILLIE METER... she believes the U.S. should convert to the metric system. |

Reading: Review Chapter 7 material, as necessary Exercises: The ones previously assigned, plus a good description of your game. |

**You are working with ideas from Chapter7.**

The game of KENO (a summary of 3-SPOT KENO asplayed at John Ascuaga's Nugget, Reno.

- You pay $1 to play. You then pick three numbers from the set S ={1,2,3,...,78,79,80}.
- House then randomly picks twenty numbers from this set.
- If
**two of your numbers are among the twenty**, you win $1. - If
**three of your numbers are among the twenty**, you win $42. - Note: You don't get your "invested" dollar back (as you do in roulette), when you win.

Here are probabilities associated with 3-SPOTKENO

| We can define two different random variables here. One is X, which will be defined as player's gain in terms of dollars. The set containing all possible values of X is {-1,0,41}. The
In other words, a player who "invests" $1 can expect a return of about $0.76. Another random variable is M, the number of matches. The set containing all values of M is {0,1,2,3}. The
To my knowledge, E(M) is not particularly meaningful, but E(X) certainly is!!! |

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**Text:***The Practice of Statistics,* by Yates, Moore, McCabe. New York,W.H. Freeman and Company, 1999. (ISBN 0-7167-3370-6)

Supplemental books:The Cartoon Guide to Statistics, by Gonick and Smith. NewYork, HarperCollins Publishers, 1993. (ISBN 0-06-273102-5)How to Lie with Statistics,by Darrell Huff. New York, W.W.Norton & Company, 1982 (ISBN 0-393-09426-X)