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1 year ago

What is the radius for a circle whose equation is +=367

Mathematics

2 answers:

harina [27]1 year ago

8 0

The answer is 18 correct

salantis [7]1 year ago

3 0

You are correct the answer is a:18

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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>

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>

5 0

2 years ago

Help write them in standard form 20points do all

torisob [31]

1. 437,003,000,000
2. 53,250,000
3. 797,619,000,323
4. 11,006,007
5. 84,000,037,800

4 0

3 years ago

Which symbol is correct ?

ANEK [815]

Answer:

the answer is c i donw the quiz

Step-by-step explanation:

6 0

2 years ago

The cost of a 12 ounce bag of cashews is $5.86. What is the cost per ounce of the cashews?

Afina-wow [57]

<h3>Answer: 5.86÷12=0.5 in nearest penny </h3><h3> </h3><h3>Step-by-step explanation: </h3><h3>this number kind of problem u solve it using inversely proportional method one one quantity is decreasing which is the ounce</h3>

3 0

2 years ago

there are 320 seats in the airplane. passengers are taking 3/5 of the seats. There are 47 seats being used by flight attendants.

iogann1982 [59]

Answer: 124

Step-by-step explanation:

Multiply 320 by 3/5 (.6) and you will get 192. Then you subtract 320 by 47 and get 316. You subtract 192 from 316 and get 124.

8 0

3 years ago