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True [87]
3 years ago
5

Find the mean of this data set: 2, 5, 5

Mathematics
2 answers:
Rufina [12.5K]3 years ago
8 0

Answer:

Mean = 4

Step-by-step explanation:

Mean = \frac{\sum x}{n} = \frac{2 + 5+ 5}{3} = \frac{12}{3} = 4

Lapatulllka [165]3 years ago
5 0

Answer:

4

Step-by-step explanation:

Mean is average, so you would add every number up, then divide by the numbers you have, So 2+5+5 divided by 3 would be 4

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ZanzabumX [31]

Answer:

D

Step-by-step explanation:

The diagram shows Pascal's triangle. Pascal's triangle is a triangular array of the binomial coefficients.

The entry in the n^{th} row (start counting rows from 0) and k^{th} column (start counting columns from 0) of Pascal's triangle is denoted by

C^n_k=\left(\begin{array}{c}n\\ k\end{array}\right)

Coefficient 20 stands in 6th row, then n = 6 and in 3rd column, so k = 3.

Hence,

20=C^6_3=\left(\begin{array}{c}6\\ 3\end{array}\right)=\dfrac{6!}{3!(6-3)!}

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3 years ago
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Answer:

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3 years ago
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RoseWind [281]

Answer:

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4 0
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