-18 and +2
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I think the answer is D but i could be wrong
Answer:
Expected value of the game: -$0.421
Expected loss in 1000 games: $421
Step-by-step explanation:
There are two possible outcomes for the event:
- There is a 1 in 38 chance of winning $280
- There is a 37 in 38 chance of losing $8
The expected value for a single game is:

The expected value of the game is -$0.421
In 1,000 plays, the expected loss is:

You would expect to lose $421.
0= 0
both sides are equal
Step-by-step explanation:

Expand

Answer: 70000000 in scientific notation is 7 x 10^7.