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3 years ago

7

PPPPPPLLLLLS HEllllPP me my assignments due tomorrow :/ The residents of a city voted on whether to raise property taxes. The ra

tio of yes votes to no votes was 3 to 5. If there were 7448 total votes, how many yes votes were there?

1 answer:

xeze [42]3 years ago

3 0

Answer:

4468.8

Step-by-step explanation:

3/5*7448

4468.8

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b. Find a 99% confidence interval for mean age of ICU patients using the facts that, in the sample, the mean is 57.55 years and

rjkz [21]

Answer:

<em>99% of confidence intervals for mean age of ICU patients</em>

<em>(53.8920 , 61.2079)</em>

Step-by-step explanation:

<u><em>Explanation</em></u>:-

<em>Given sample mean </em> $x^{-} = 57.55$ <em></em>

Given standard error is determined by

S.E = $\frac{S.D}{\sqrt{n} }$

<em>Given data standard error = 1.42</em>

<em>99% of confidence intervals for mean is determined by</em>

$(x^{-} - Z_{0.01} \frac{S.D}{\sqrt{n} } , x^{-} + Z_{0.01} \frac{S.D}{\sqrt{n} } )$

$Z_{\frac{\alpha }{2} } = Z_{\frac{0.01}{2} } = Z_{0.05} = 2.576$

$(x^{-} - 2.576 S.E , x^{-} + 2.576 S.E)$

$(57.55 - 2.576X 1.42 , 57.55+ 2.576 X1.42)$

(53.8920 , 61.2079)

<u><em>Conclusion</em></u>:-

<em>99% of confidence intervals for mean is determined by</em>

<em>(53.8920 , 61.2079)</em>

5 0

3 years ago

Fill in the missing term and select the missing description. Simplify any fractions.

mina [271]

Answer:

t = 18/2

= 9

Sorry only thing I know is this!!

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3 years ago

Find the length of one edge of the cube. <br> Edge length = Answer inches

ycow [4]

Volume

V = l³

length (inverse formula)

l = ∛512

l = 8 in (your answer)

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3 years ago

Round 22.700 to the nearest hundredth

hammer [34]

THE ANSWER SHOULD BE 22.70

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3 years ago

Use a TENS fact to subtract 13 take away 5

podryga [215]

13 - 5 8 hic fhfgghgggfdfr

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3 years ago