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True [87]
3 years ago
9

What's the square root of 68?

Mathematics
1 answer:
Aliun [14]3 years ago
3 0
\sqrt{68}=\sqrt{4\cdot17}=\sqrt4\cdot\sqrt{17}=2\sqrt{17}\\\\\sqrt{68}\approx8.25
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100 point to the first correct answer
miss Akunina [59]

Answer:

X ~ B(n, p)

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⇒  p = 5/17

Binomial distribution formula:

\sf P(X = x) = nC_x (1-p)^{(n-x)}p^x

As n = 2, calculate P(X = 0), P(X = 1) and P(X = 2):

\sf P(X = 0) = 2C0 (\frac{12}{17})^{(2-0)}(\frac{5}{17})^0=\dfrac{144}{289}}

\sf P(X = 1) = 2C1 (\frac{12}{17})^{(2-1)}(\frac{5}{17})^1=\dfrac{120}{289}}

\sf P(X = 2) = 2C2 (\frac{12}{17})^{(2-2)}(\frac{5}{17})^2=\dfrac{25}{289}}

**Probability Distribution Table attached**

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2 years ago
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Andreas93 [3]

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3 years ago
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While reflecting over y axis or x=0 line, only the sign of x changes.

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8 0
4 years ago
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Answer:

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Step-by-step explanation:

7 0
3 years ago
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