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zvonat [6]
2 years ago
11

Answer Choice

Mathematics
2 answers:
Katena32 [7]2 years ago
7 0

Answer: c

Step-by-step explanation:  it was random and it was girls  in 6th grade not boys and girls.   :)  

melisa1 [442]2 years ago
4 0

Answer:

Pretty sure the answer is c

Step-by-step explanation:

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The first-serve percentage of a tennis player in a match is normally distributed with a standard deviation of 4.3%. If a sample of 15 random matches of the player is taken, the mean first-serve percentage is found to be 26.4%. The margin of error of the sample mean is 83.71%.

7 0
3 years ago
It took Mrs. Harpole 35 minutes to grade
stepladder [879]

Answer:

700 minutes or 11.67 hours

Step-by-step explanation:

35/4=8.75

8.75*80=700

8 0
3 years ago
The vertex of a figure is located at (1, 3). The figure is rotated and the image of vertex is located at (-3, 1) Which of these
Aleksandr [31]

Answer:

LOLOLOLOLO

Step-by-step e

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7 0
2 years ago
I am not sure how sigma notation works, can somebody explain how to solve this? It isn't the second choice.
Masja [62]

Answer:

first answer is correct

Step-by-step explanation:

Hello, we want to write 2 + 4 + 6 + ... + 20

for n = 1, 2n = 2*1 =2

for n = 2, 2n = 2*2=4

for n = 3, 2n=2*3=6

etc

so

\displaystyle \sum_{n=1}^{10} {2n} = 2*1 + 2*2 +2*3+2*4+...+2*10=2+4+6+8+...+20

thanks

6 0
2 years ago
Can you please help me with this question
andrew-mc [135]
I hope I read it right, it's a bit blurry. The answer is C. 6/11. Hope it helps!
7 0
3 years ago
Read 2 more answers
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