Consider a slot machine with 3 wheels (reels). Each reel has 10 slots, 0, 1, ..., 9. Suppose you have a win if the 3 slots match (0-0-0, 1-1-1, ..., 9-9-9). You decided to play until you win 3 times. The machine says that your chances of matching the 3 slots is 59%. What is the minimum number of tries you will need to win 3 times?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Consider a slot machine with 3 wheels (reels). Each reel has 10 slots, 0, 1, ..., 9.
Suppose you have a win if the 3 slots match (0-0-0, 1-1-1, ..., 9-9-9). You decided to
play until you win 3 times. The machine says that your chances of matching the 3
slots is 59%. What is the minimum number of tries you will need to win 3 times?

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