1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
hodyreva [135]
3 years ago
13

Roulette is a casino game that involves players betting on where a ball will land on a spinning wheel. An American roulette whee

l has 38 numbered slots — half of the slots from 1 to 36 are red and the other half are black. Slots 0 and 00 are both green.
Suppose that a player bets $1 on the color red. If the ball lands in a red slot, the player gets their initial $1 back plus a payout of $1. If the ball doesn't land in a red slot, they lose their $1 bet. Let X= the player's net gain from a $1 bet on a the color red. Here is the probability distribution of X:


Win Lose

X=net gain $1 -$1

P(X) 18/38 20/38


Calculate the mean of X

You may round your answer to the nearest thousandth.
Mathematics
2 answers:
Dvinal [7]3 years ago
4 0

Answer:

-2/38

Step-by-step explanation:

nikitadnepr [17]3 years ago
3 0

Answer:   -0.053

Step-by-step explanation:

1•(18/38) + -1 •(20/18) = -0.053

You might be interested in
A jar contains 12 blue pens, 7 black pens, and 3 red pens. Marco picks two red pens at random, without replacement.
natta225 [31]
A) 3/22x2/22 represents the probability
5 0
3 years ago
Compré 5 distintos tipos de semillas de flores para sembrarlas en el jardin una tras de otra.
Colt1911 [192]

Responder:

120 maneras.

Explicacion paso a paso:

Cinco tipos diferentes de semillas.

El numero de formas de organizar, n, a diferencia de los objetos en una linea es n!

Entonces, para sembrar 5 tipos diferentes de flores, serian 5!

5! = 5 * 4 * 3 * 2 * 1 = 120 vias.

Por lo tanto, hay 120 formas de sembrar las cinco semillas.

Hablo ingles y escribo ingles. Espero que entiendas. Acabo de utilizar el traductor de Google para intentar que la respuesta sea mas clara para ti :).

Por favor, califique con 5 estrellas, gracias, y deme lo mejor (Brainliest). Gracias.

8 0
3 years ago
Tikiro places a wrench on a nut and applies a downward force of 32 pounds to tighten the nut. If the center of the nut is at the
Butoxors [25]

Answer:

Answer: b. 20.8 ft-lb

Step-by-step explanation:

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%7B3%7D%5E%7Bx%20%2B%202%7D%20%20-%20%20%7B3%7D%5E%7Bx%7D%20%20%3D%20%20%5Cfrac%7B8%7D%7B9%
ser-zykov [4K]

3^{x + 2} - 3^{x} = 3^{x}* 3^{2} - 3^{x} = 9(3^{x}) - 1(3^{x}) = 8(3^{x})

3^{x + 2} - 3^{x} = \frac{8}{9}

⇒ 8(3^{x}) = \frac{8}{9}

⇒ 3^{x} = \frac{1}{9}   <em>multiplied both sides by 8</em>

⇒3^{x} = \frac{1}{3^{2} }

⇒ 3^{x} = 3⁻²

⇒ x = -2

Answer: x = -2

6 0
3 years ago
1/4 of the seventh grade students went on a field trip to the Alamo. If there a 388 students in the seventh grade, how many stud
Afina-wow [57]

Answer: 97 students

Step-by-step explanation:

Simple! We need to split 388 into four equal parts, so

388 / 4 = 97

Hope this helps!

5 0
3 years ago
Other questions:
  • Using number and symbols solve, 7x = 42
    9·2 answers
  • Find an equation of the circle and sketch it if it has:
    13·1 answer
  • The rule is y=− 3/4 x+ 1 /4
    15·1 answer
  • Anyone? Can help !!!
    11·1 answer
  • Miley is trying to solve the following riddle the sum of three consecutive integers is 84 what are the integers
    7·1 answer
  • Find all the solutions in the interval [0,2π) <br> sin²x = 2-2cosX
    13·1 answer
  • A scooter travels 30 feet in 2 seconds at a constant speed. b. Complete the double number line to show the distance the scooter
    15·1 answer
  • Please help me whith this
    7·1 answer
  • Pls answer this question
    13·1 answer
  • If there are friends who read the book "Killing a Mockingbird", can they give information about its content? But please do not h
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!