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Ratling [72]
3 years ago
15

A rectangular prism has a volume of 1280 cubic units. The length is 32 units and the width is 5 units.

Mathematics
1 answer:
Fiesta28 [93]3 years ago
3 0

Answer:

huh

Step-by-step explanation:

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A standard roulette wheel has 38 numbered slots for a small ball to land in: 36 are marked from 1 to 36, with half of those blac
Anastasy [175]

Answer:

The expected value of betting $500 on red is $463.7.

Step-by-step explanation:

There is not a fair game. This can be demostrated by the expected value of betting a sum of money on red, for example.

The expected value is calculated as:

E(G)=\sum p_iG_i

being G the profit of each possible result.

If we bet $500, the possible outcomes are:

- <em>Winning</em>. We get G_w=$1,000. This happens when the roulette's ball falls in a red place. The probability of this can be calculated dividing the red slots (half of 36) by the total slots (38) of the roulette:

P(R)=R/T=18/38\approx0.4737  

- <em>Losing</em>. We get G_l=$0.  This happens when the ball does not fall in a red place. The probability of this is the complementary of winning, so we have:

P(not \,R)=1-P(R)=1-18/38=20/38\approx 0.5263

Then,  we can calculate the expected value as:

E(G)=\sum p_iG_i=p_wG_w+p_lG_l=0.4637*1,000+0.5263*0=463.7

We expect to win $463.7 for every $500 we bet on red, so we are losing in average $36.3 per $500 bet.

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3 years ago
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Step-by-step explanation:

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