Mathematics: You play a gambling game with a friend in which you roll a die. If a 1 or 2 comes up, you win $8. Otherwise you lose $2. What is your expected value for this game? Round your answer to the nearest cent.

You play a gambling game with a friend in which you

Ответ:

granthazenp5e9mj

22.01.2022

Mathematics

The expected value $ $\frac{4}{3}$

Step-by-step explanation:

Given:

If a 1 or 2 comes you win $8.If a 3, 4, 5 ,6 comes, you loose $2

So:

The probability you win : $\frac{2}{6}$ The probability you loose: $\frac{4}{6}$

Hence, the expected value for this game is the sum of products of probability and value:

= $\frac{2}{6}$ *$8 + $\frac{4}{6}$ *$2

= $ $\frac{4}{3}$

Hope it wil find you well.

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Ответ:

rachelbrooks764

17.09.2021

Mathematics

The correct answer is b.

2n + 5=15

n = 5

This is because when you put the word problem into a numerical equation, you get 2n+5=15. To simplify this, you subtract 5 from both sides, resulting in 2n=10. Then you divide both sides by 2, and you get n=5.

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You play a gambling game with a friend in which you roll a die. If a 1 or 2 comes up, you win $8. Otherwise you lose $2. What is your expected value for this game? Round your answer to the nearest cent.

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