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brilliants [131]
2 years ago
8

A game has 3 possible outcomes: The first outcome has the probability of 1/6. The result is winning $12. The second outcome has

the probability of 1/3. The result is winning $3. The third outcome has the probability of 1/2. The result is losing $8.
In the long run, you will ______ $ ____ per game.
Mathematics
1 answer:
lapo4ka [179]2 years ago
7 0
In the long run, you will lose $1 per game.

To find the expected value of this game, we have to multiply the chances by each prize. Then, add up all the possibilities.

(1/6) x $12 + (1/3) x $3 + (1/2) x $8 

2 + 1 - 4 = -1

On average, you will lose $1 per game.
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Find each product.<br> 1) (5n - 5)(4n - 4)
Paraphin [41]

Answer:

20n² - 40n + 20

Step-by-step explanation:

(5n - 5)(4n - 4)

= 5n(4n) + 5n(-4) - 5(4n) - 5(-4)

= 20n² - 20n - 20n + 20

= 20n² - 40n + 20

Another way to do this:

(5n - 5)(4n - 4)

= 5(n - 1) * 4(n - 1)

= 20(n - 1)(n - 1)

= 20(n - 1)²

= 20(n² - 2n + 1)

= 20n² - 40n + 20

6 0
2 years ago
15) Bob has 12 black pen, 14 red pen, 15 green pens, 24 blue pens and 3 boxes of
cricket20 [7]

Answer:

13, 16, 18

Step-by-step explanation:

Sabemos que podemos calcular el total de plumas amarillos, por medio de la media.

16 = (12 + 14 + 15 + 24 + x + y + z) / 7

16 * 7 = 12 + 14 + 15 + 24 + x + y + z

112 = 65 + x + y + z

x + y + z = 112-65

x + y + z = 47

sabemos que la mediana es el valor medio, y que ese 46 debe dividirse entre 3 valores porque son 3 cajas, entonces debemos buscar los números adecuados para el valor 15 esté en la mitad, es decir de cuarto.

Sin meter los valores nuevos, el ranking sería así:

12

14

15

24

el 15 esta de tercero, para que quede de cuarto, debe tener dos valores por debajo y un por arriba, así:

X

12

14

15

y

z

24

Por lo tanto, valores mayores a 15 serían por ejemplo y = 16 y z = 18:

16 + 18 = 34

x = 47-34 = 13

quedaría:

12

13

14

15

dieciséis

18 años

24

Si recalculamos la media:

m = (12 + 14 + 15 + 24 + 13 + 16 + 18) / 7 = 16

8 0
1 year ago
What do you call it when a bunch of kids throw circles at eachother
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It’s called a pi fight
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2 years ago
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A hunter shot 7 ducks. The hunter's dog recovered 5/7 of
amid [387]
There have to be at least 4 ducks recovered
5 0
1 year ago
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Damm [24]
Gross pay is 1020.00
fed tax is 107.00

social security is 6.2% of gross pay......6.2% of 1020.00 =
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therefore, her net pay is : 1020 - (107 + 63.24 + 14.79 + 20.33) =
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answer : the net pay is correct <==


8 0
1 year ago
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