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07.04.2020 •
Mathematics
In the carnival game "chuck-a-luck", you pick a number from 1 to 6 and roll 3 dice in succession. If your number comes up all three times, you win $3; if your number comes up twice, you win $2; if it comes up once, you win $1; otherwise you lose $1. What is your expected value
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Ответ:
42 cents
Step-by-step explanation:
Data provided in the question:
Random variable i.e gain with values 3,2,1,-1.
Now,
The corresponding probabilities will be as follows:
Expected gain =
Expected gain =
≈ 42 cents
Ответ:
g(-2) = -2
g(0) = 1/3 x 0^2 - 5 = -5