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aleksley [76]
3 years ago
11

A roulette wheel in Las Vegas has 38 possible outcomes. Of those 38 outcomes, 18 are red, 18 are black, and 2 are green. Suppose

you bet 2 dollars on the outcome being red. Now, assume that the casino will return your investment and give you an additional 2 dollars if you win, but will keep your 2 dollars if you lose. How much money should you expect to win each game
Mathematics
1 answer:
Nonamiya [84]3 years ago
8 0

Answer: Expected value = - 0.1026

Step-by-step explanation:

Given that

Possible outcomes = 38

While the required outcome are red, 18 are black, and 2 are green

The probability of winning will be

18/ 38 = 0.474

Where winning will be

2 × 0.474 = 0.948

The probability of losing

20/38 = 0.5253

Where losing will be

- 2 × 0.5253 = -1.0506

Expected value = 0.948 + (- 1.0506)

Expected value = - 0.1026

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A football field is 300ft long a sloth moving very quickly travels 60ft every 5 minutes based on this ratio how many minutes wou
Ipatiy [6.2K]

Answer:

25 minute

Step-by-step explanation:

Speed is the ratio of the total distance traveled  to the total time taken to reach this distance. The formula for speed is:

Speed = total distance / total time taken

The total distance covered by the sloth = 60 ft, and the time taken = 5 minutes, hence:

Speed = total distance / total time taken

speed of the sloth = 60 ft / 5 minutes = 12 ft per minute.

We can calculate the time taken for the sloth to travel the length of the football field (i.e. 300 ft)

speed = distance / time

12 ft/minute = 300 ft / time

time = 300 ft / (12 ft/minute)

time = 25 minute

4 0
3 years ago
21 plus 4x equal 61 what equal 61
kvasek [131]

Answer:

x = 10

Step-by-step explanation:

61 - 21 = 40
40 / 4 = 10
x = 10

6 0
3 years ago
06. Kristen can run at 15km/hr and walk at 5 km/hr. She completed a 42 km marathon in 4 hours. What distance did Kristen run dur
Mrac [35]
Let x be the time she ran and y be the time she walked 

then distance ran =  25x and distance walked = 5y 

so 15x + 5y = 42

and x + y = 4

* second equn. by -5:-

-5x - 5y = -20

add this to the first equn:0

10x = 22
x = 2.2

distance she ran = 2.2 * 15  =  33 km
7 0
3 years ago
I forgot!!!!!!<br><br> 52-:-8=?????
ICE Princess25 [194]
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3 0
3 years ago
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