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In each turn of a game you toss two coins. If 2 heads come up, you win 2 points and if 1 head comes up you win 1 point. If no heads come up, you lose 3 points. What is the expected value of the number of points for each turn?

–0.25

0

0.25

0.5

Respuesta :

P(2 H's) = 1/4

P(1 is H) = 1/2)

P(no H's) = 1/4


Expected value = 2 * 1/4 + 1 * 1/2 - 3 * 1/4

= 0.5 + 0.5 - 0.75


= 0.25 (answer).

annaburke01

Answer:

0.25

Step-by-step explanation:

The Game is Favorable

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