exercise:163687f9aa: Difference between revisions
From Stochiki
(Created page with "<div class="d-none"><math> \newcommand{\NA}{{\rm NA}} \newcommand{\mat}[1]{{\bf#1}} \newcommand{\exref}[1]{\ref{##1}} \newcommand{\secstoprocess}{\all} \newcommand{\NA}{{\rm NA}} \newcommand{\mathds}{\mathbb}</math></div> In a second version of roulette in Las Vegas, a player bets on red or black. Half of the numbers from 1 to 36 are red, and half are black. If a player bets a dollar on black, and if the ball stops on a black number, he gets his dollar back and a...") |
No edit summary |
||
| Line 1: | Line 1: | ||
In a second version of roulette in Las Vegas, a player bets on red or black. Half of the numbers from 1 to 36 are red, and half are black. If a | |||
on red or black. Half of the numbers from 1 to 36 are red, and half are black. If a | |||
player bets a dollar on black, and if the ball stops on a black number, he gets his | player bets a dollar on black, and if the ball stops on a black number, he gets his | ||
dollar back and another dollar. If the ball stops on a red number or on 0 or 00 he | dollar back and another dollar. If the ball stops on a red number or on 0 or 00 he | ||
loses his dollar. Find the expected winnings for this bet. | loses his dollar. Find the expected winnings for this bet. | ||
Latest revision as of 09:32, 14 June 2024
In a second version of roulette in Las Vegas, a player bets on red or black. Half of the numbers from 1 to 36 are red, and half are black. If a player bets a dollar on black, and if the ball stops on a black number, he gets his dollar back and another dollar. If the ball stops on a red number or on 0 or 00 he loses his dollar. Find the expected winnings for this bet.