Solution:
We know that:
The wheel was invented about 2500 Before Christ.
The gasoline automobile was invented in AD 1885.
Therefore the number of years passed between the invention of the wheel and the invention of the automobile is:
years
Which of these graphs represent a function?
1 answer:
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<u>Given</u>:
Given that in a game a player draws and replaces a card from a deck 2 times.
The possible outcomes and payouts are given.
We need to determine the expected value for someone playing the game.
<u>Expected value:</u>
The expected value for someone playing the game can be determined by
Simplifying the values, we have;
Dividing the terms, we get;
Adding, we have;
Thus, the expected value for someone playing the game is $8