The expected total value after playing 40 rounds of roulette betting $10 on one number each...

Question

Question

The expected total value after playing 40 rounds of roulette betting $10 on one number each...

The expected total value after playing 40 rounds of roulette betting $10 on one number each time is

Select one:

a. 0.0

b. -15.0

c. -21.05

d. +15.0

e. +21.2

math Statistics-And-Probability

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Answer 1

Answer #1

here as probability of winning =18/38

therefore expected winning on one round =(18/38)*10-(20/38)*10=-0.526

hence for 40 rounds ; expected value =40*(-0.526)=-21.05

option C is correct

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Answer 2

Answer #2

XX), then all but a) Countable numbeγ of values of x e, ¡λ the option

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Answer 3

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