Test: Common Core: High School - Statistics and Probability

1.

The Witches' Duel is a game of chance. On each turn, there are four possible outcomes:

You earn 1 point with probability .2, and you lose 1 point with probability .3.

You earn 5 points with probability .35, and you lose 5 points with probability .15.

On average, how many points do you earn on each turn?

0.9 points

3.2 points

3.5 points

1.4 points

2.1 points

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