When playing roulette at a casino, a gambler is trying to decide whether to bet
$1515
on the number
2727
or to bet
$1515
that the outcome is any one of the
threethree
possibilities
00 comma 0 comma or 100, 0, or 1.
The gambler knows that the expected value of the
$1515
bet for a single number is
negative 0.79 cents−0.79¢.
For the
$1515
bet that the outcome is
00 comma 0 comma or 100, 0, or 1,
there is a probability of
StartFraction 3 Over 38 EndFraction338
of making a net profit of
$4545
and a
StartFraction 35 Over 38 EndFraction3538
probability of losing
$1515.
a. Find the expected value for the
$1515
bet that the outcome is
00 comma 0 comma or 100, 0, or 1.
b. Which bet is better: a
$1515
bet on the number
2727
or a
$1515
bet that the outcome is any one of the numbers
00 comma 0 comma or 100, 0, or 1?
Why?
When playing roulette at a casino, a gambler is trying to decide whether to bet $1515...
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