3 years ago

Please help me!! ༼;´༎ຶ ۝ ༎ຶ༽

Mathematics

1 answer:

murzikaleks [220]3 years ago

8 0

Answer:

191293i3jdjdj

Step-by-step explanation:

firneneiddiejejeje

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Xelga [282]

Answer:

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Step-by-step explanation:

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3 years ago

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Which geometric figures are drawn on the diagram?<br> Check all that apply.

Allisa [31]

Try adding a picture next time maybe...?

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3 years ago

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insurance company checks police records on 559 accidents selected at random and notes that teenagers were at the wheel in 91 of

ss7ja [257]

Answer: $(13.22\%,\ 19.34\%)$

Step-by-step explanation:

Given : Sample space : n= 559

Sample proportion : $\hat{p}=\dfrac{91}{559}=0.162790697674\approx0.1628$

$=16.28\%$

Significance level : $\alpha= 1-0.95=0.05$

Critical value : $z_{\alpha/2}=1.96$

Confidence level for population proportion:-

$\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}\\\\=0.1628\pm (1.96)\sqrt{\dfrac{0.1628(1-0.1628)}{559}}\\\\=0.1628\pm0.030604971367\\\\\approx 0.1628\pm0.0306=(0.1322,\ 0.1934)=(13.22\%,\ 19.34\%)$

Hence, 95% confidence interval for the percentage of all auto accidents that involve teenage drivers.= $(13.22\%,\ 19.34\%)$

7 0

3 years ago

I need help can some please answer this 2 2/3+1 1/2

irakobra [83]

Answer:

25/6 or 4 1/6

Step-by-step explanation:

1) convert these fractions to improper fractions first:

8/3+3/2

make like denominators by multiplying 8/3 by 2 and 3/2 by 3

so 8*2/3*2=16/6

3*3/2*3=9/6

16/6+9/6=25/6

Hope this helps!

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3 years ago

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Please help me!! ༼;´༎ຶ ۝ ༎ຶ༽​

Please help me!! ༼;´༎ຶ ۝ ༎ຶ༽