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Sagot :
The number of possible wins if the ball lands on red is 4.86 games.
Let there be 100 successive spins,
Random Variable (winnings): $1, -$1
Associated probabilities:
P($1) = 18/38 =9/19
P(-1) = 20/38 = 10/19
Expected winnings is (9/19)*1 + (10/19)*-1
= -1/19 on one spin.
= -2/19 on two spins
= -2/19 on a single spin for $2
= -100/19 on 100 successive spins
since there are 100 spins, n =100
18 out of 38 spots are red, thus p=18/37 =0.486
expected number of wins = np
= 100* 0.486
=4.86
Probability is synonymous with possibility. It is a mathematical branch that deals with the occurrence of a random event. The value ranges from zero to one. Probability has been introduced in mathematics to predict the likelihood of events occurring. Probability is defined as the degree to which something is likely to occur.
To learn more about roulette wheel probability
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