3 years ago

15 POINTS FOR THE FIRST ONE TO GET THIS RIGHT! HELP!

Mathematics

1 answer:

Svetlanka [38]3 years ago

6 0

Y<1.1
i had to type more characters bc they wont let me put that hope id help

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2 years ago

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DedPeter [7]

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2 years ago

A statistician uses Chebyshev's Theorem to estimate that at least 15 % of a population lies between the values 9 and 20. Use thi

rjkz [21]

Answer:

\mu = 14.5\\

\sigma = 5.071\\

k = 1.084

Step-by-step explanation:

given that a statistician uses Chebyshev's Theorem to estimate that at least 15 % of a population lies between the values 9 and 20.

i.e. his findings with respect to probability are

$P(9$

Recall Chebyshev's inequality that

$P(|X-\mu |\geq k\sigma )\leq {\frac {1}{k^{2}}}\\P(|X-\mu |\leq k\sigma )\geq 1-{\frac {1}{k^{2}}}\\$

Comparing with the Ii equation which is appropriate here we find that

$\mu =14.5$

Next what we find is

$k\sigma = 5.5\\1-\frac{1}{k^2} =0.15\\\frac{1}{k^2}=0.85\\k=1.084\\1.084 (\sigma) = 5.5\\\sigma = 5.071$

Thus from the given information we find that

$\mu = 14.5\\\sigma = 5.071\\k = 1.084$

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3 years ago

What is the slope of the function?

d1i1m1o1n [39]

Answer: -6

Step-by-step explanation:

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I think this is the graph for your answer, for the next question like this, try to use "Desmos"

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2 years ago