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3 years ago

. Which expression could be used to determine the product of -4 and 3 1/4?

Mathematics

2 answers:

oee [108]3 years ago

4 0

-13 is the product of this expression

lara31 [8.8K]3 years ago

3 0

Expression: -4 * 3 1/4

Equation: -4 * 3 1/4 = -13.

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. How do these two processes, finding the expected value of a discrete random variable and finding the dot product

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Answer:

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Step-by-step explanation:

Assuming this previous info:

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3 years ago

In the game of roulette, a player can place a $4 bet on the number 29 and have a 1/38 probability of winning. If the metal bal

creativ13 [48]

Answer:

The expected value of the game to the player is -$0.2105 and the expected loss if played the game 1000 times is -$210.5.

Step-by-step explanation:

Consider the provided information.

It is given that if ball lands on 29 players will get $140 otherwise casino will takes $4.

The probability of winning is 1/38. So, the probability of loss is 37/38.

Now, find the expected value of the game to the player as shown:

$E(x)=(140)\times \frac{1}{38}+(-4)\times \frac{37}{38}$

$E(x)=\frac{140-148}{38}$

$E(x)=\frac{-8}{38}=-$0.2105$

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Now find the expect to loss if played the game 1000 times.

1000×(-$0.2105)=-$210.5

Therefore, the expected loss if played the game 1000 times is -$210.5.

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4 years ago