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erma4kov [3.2K]
3 years ago
10

Please help me right away

Mathematics
1 answer:
rusak2 [61]3 years ago
3 0

Answer: i am pretty sure the answer is either A or C

Step-by-step explanation:

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A skilled chess player believes that when they play a novice opponent, there is a 90% probability they will be able to beat them
zavuch27 [327]

Answer:

b) Binomial

c) Poisson

Step-by-step explanation:

The geometric distribution is the number of trials required to have r successes. The measures the number of sucesses(wins), not the number of trials required to win r games. So the geometric distribution does not apply.

For each match, there are only two possible outcomes, either the skilled player wins, or he does not. The probability of the skilled player winning a game is independent of other games. So the binomial distribution applies.

We can also find the expected number of wins of the skilled player, which is 15*0.9 = 13.5. The Poisson distribution is a discrete distribution in which the only parameter is the expected number of sucesses. So the Poisson distribution applies.

So the correct answer is:

b) Binomial

c) Poisson

7 0
3 years ago
Read 2 more answers
A photograph has a width of 8 cm and a length of 3x cm.
enyata [817]
W*l=A

w=8
l=3x
8*3x= A

That would be the equation 
3 0
3 years ago
1. What is the formula for area of a circle?
Akimi4 [234]

Answer:

The area of a circle is pi times the radius squared (A = π r²).

Step-by-step explanation:

(I'm not sure how to explain this further)

Hope this helps!

-Coconut;)

5 0
3 years ago
A square + b square + c square equal to ab+ba+ca show that <br><br>​
Evgen [1.6K]

Answer:

a² + b² + c² ≠ ab + bc + ca

<h3><u>PLEASE</u><u> MARK</u><u> ME</u><u> BRAINLIEST</u><u>.</u></h3>
5 0
2 years ago
Which is bigger .21 or 21% if they equal the same then let me know as well
DaniilM [7]
It is equal. .21 ia the same as 21%
8 0
3 years ago
Read 2 more answers
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