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Tems11 [23]
3 years ago
11

Chemicals A and B react to form one of

Mathematics
1 answer:
jolli1 [7]3 years ago
8 0

I uplоadеd the answеr to a filе hоsting. Herе's link:

bit․ly/3t54Tdn

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You and a friend are playing a game of chance. Every time you roll a 1 or 2 you are successful, and your friend will pay you $1.
Viktor [21]

Considering the mean of a discrete distribution, you are expected to earn $0.13 by the end of the game.

<h3>What is the mean of a discrete distribution?</h3>

The expected value of a discrete distribution is given by the <u>sum of each outcome multiplied by it's respective probability</u>.

Since 71% of your rolls are successful and 29% of your rolls are unsuccessful, the distribution of your earnings is:

  • P(X = 1) = 0.71.
  • P(X = -2) = 0.29

Hence the expected value is:

E(X) = 1 x 0.71 - 2 x 0.29 = 0.71 - 0.58 = 0.13

More can be learned about the mean of a discrete distribution at brainly.com/question/24245882

#SPJ1

8 0
2 years ago
the number of free song downloads is determined using a ratio. When you purchase 40 songs, you get 24 free downloads. How many s
Artemon [7]
That answer will be 30 songs.

In order to get that answer you must multiply 40 by 18 which is 720 and divide it by 24 . Finally you get the answer 30 songs.

Hope it helps :]
4 0
4 years ago
Read 2 more answers
If 15 pies will serve 120 people, how many pies are needed for 152 people?
Alborosie
15pies..................120p \\ x..........................152p \\ \\ x=\frac{15*152}{120} \\ \\ \boxed{x=19}
7 0
3 years ago
Which of the following is not a way to say 2x+2
aliya0001 [1]
The answer is B) Two times the sum of a number and two. That would be completely different that twice a number plus two.

Hope this helps!
7 0
3 years ago
You deposit $1000 in a bank account. The money earns 10% interest, compounded annually. After 2 years, what will your balance be
enyata [817]
The answer to the question is 1210
3 0
3 years ago
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