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Citrus2011 [14]
2 years ago
12

Plz help with these questions

Mathematics
1 answer:
Hitman42 [59]2 years ago
7 0
Maybe try multiplying them
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A certain casino game has a wheel with 5 different animals on it. It costs $10 to bet on an animal, and
Mrrafil [7]

Answer:

Expected value = - $ 4

Step-by-step explanation:

Number of animals on the wheel = 5

Number of animals the player can bet on = 1

The player will win if the ticker stops on the chosen animal. Since, only one animal can be chosen out of 5, the probability of winning will be = \frac{1}{5}

If the ticker stops on any of the rest 4 animals, the player will lose. So the probability of losing will be =  \frac{4}{5}

If the ticker stops on chosen animal, the winning amount is $ 20, if the ticker lands on any of other animal, its a loss of $ 10.

We need to calculate the expected value of this game. Expected value is calculated by multiplying the probability of each outcome with the outcome and then adding these products.

So, for this case, the expected value will be:

(Probability of winning x Outcome on winning) + (Probability of losing x Outcome of losing)

Using the values, we get:

E=\frac{1}{5}(20)+\frac{4}{5}(-10)=-4

Minus sign has been used with 10, because the money is being lost.

Thus, the expected value of the game is - $ 4. This means, on average a player who will play the game is expected to lose about $ 4 per game

5 0
3 years ago
Jack earned $6.00 per hour before being given a 3% raise. What was Jack’s new wage after the raise?
mixas84 [53]

Answer:

$6.18 per hour

Step-by-step explanation:

  • 3% of 6 is 0.18

You can get this number by multiplying 0.03 by 6

  • Add 0.18 to 6 and that gives Jack $6.18
7 0
2 years ago
Ben and Sam are diving into a lake. At 14 below the surface, Ben spots Sam 9 ft directly below him. Find Sams depth SHOW WORK AN
natka813 [3]
Sam is at 23 feet below the surface

Explanation
I did 14+9 and got 23
7 0
2 years ago
Read 2 more answers
Can someone please give me the answer
Serga [27]

Answer:

#1 = 234

:)

Step-by-step explanation:

7 0
3 years ago
X/5+7=3<br> tellme fastplease
Aliun [14]

Answer:

-20

Step-by-step explanation:

x/5=3-7

x/5=-4

x=-4×5

x=-20

5 0
2 years ago
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