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lianna [129]
3 years ago
8

What is the median of this data set? 3, 13, 7, 5, 21, 23, 39, 28, 40, 26, 14, 12, 56, 25, 29, 31

Mathematics
2 answers:
Lerok [7]3 years ago
7 0
The median is  24. Hope it helps!
rjkz [21]3 years ago
3 0
I think the median is 24 I hope this helped:)
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Given:

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To find the probability that at most 2 are 65 or older,

\begin{gathered} P(X=x)=^nC_x(p)^x(1-p)^{n-x} \\ P(0\leq X\leq2)=P(X=0)+P(X=1)+P(X=2) \\ =^{25}C_0(0.105)^0(1-0.105)^{25-0}+^{25}C_1(0.105)^1(1-0.105)^{25-1}+^{25}C_2(0.105)^2(1-0.105)^{25-2} \\ =0.0625+0.1832+0.2579 \\ =0.5036 \\ \approx0.504 \end{gathered}

Answer: Probability is 0.504 .

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