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Zarrin [17]
2 years ago
13

HELPP ASAP!!step by step anwserssw

Mathematics
1 answer:
Natasha_Volkova [10]2 years ago
5 0
X - The total cost
3 persons
Below $120 p/p
Then
120 * 3 = 360
X < 360/3
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In a lottery game, a player picks six numbers from 1 to 27. If the player matches all six numbers, they win 40,000 dollars. Othe
Alexus [3.1K]

Answer:

We conclude that  expected value of this game is -0.865$.

Step-by-step explanation:

We know that in a lottery game, a player picks six numbers from 1 to 27.

We know that

C_6^{27}=296010

As there is only one advantageous combination, we conclude that the number of non-winning combinations is 296009.

He can win 40,000 dollars.

We calculate:

E(X)=\frac{1}{296010}\cdot 40000\$- \frac{296009}{296010}\cdot 1\$\\\\E(X)=\frac{40000-296009}{296010}\, \$\\\\E(X)=-0.865\, \$

We conclude that  expected value of this game is -0.865$.

7 0
3 years ago
a rectangular room is 7 feet wide. it is twice as long as it is wide. what is the perimeter of the room?
Fiesta28 [93]
42 because it is all of the sides have to be added up for the perimeter so the formula would be 14+14+7+7.

4 0
3 years ago
Here is a picture of a Ferris wheel. It has a diameter of 80 meters.
jenyasd209 [6]

Answer:

251.2 m

Step-by-step explanation:

Circumference = 2 x π x r

C = 2 x 3.14 x 40

C = 251.2

6 0
3 years ago
Expand and simplify :2(2x+3)-2(x-2)<br> Pls help
Schach [20]

Expand = 2⋅2⋅x+2⋅3−(2⋅x−2⋅2)

Simplify = 10+2⋅x

8 0
3 years ago
Read 2 more answers
Which shape can be classified as a rectangle? Rhombus Square Trapezoid Parallelogram
professor190 [17]

Answer:

square

Step-by-step explanation:

A square is a quadrilateral with 4 right angles, so every square is also a rectangle.

7 0
3 years ago
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