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vladimir1956 [14]
2 years ago
15

HELP PLEASE What is M CEA?

Mathematics
1 answer:
vovangra [49]2 years ago
8 0

Answer:

C.H. Weaver M.D. updated 10/2020 What is the Carcinogenicity antigen (CEA)? CEA is an antigen (small protein) that is found on the surface of many types of cancer cells and high levels of CEA can be detected in the blood of some patients with cancer and the developing fetus.

Step-by-step explanation:

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A survey is planned to estimate the proportion of voters who support a proposed gun control law. The estimate should be within a
laila [671]

Complete Question

A survey is planned to estimate the proportion of voters who support a proposed gun control law. The estimate should be within a margin of error of ±5% with 90% confidence, and we do not have any prior knowledge about the proportion who might support the law. How many people need to be included in the sample?

Round your answer up to the nearest integer.

sample size = _____

Answer:

The sample size is n = 271    

Step-by-step explanation:

From the question we are told that  

   The margin of error is  E = 5% = 0.05

Generally given that there was no prior knowledge about the proportion of who might support the law, we will assume the sample proportion to be  

     \^ p =  0.5

From the question we are told the confidence level is  90% , hence the level of significance is    

      \alpha = (100 - 90 ) \%

=>   \alpha = 0.05

Generally from the normal distribution table the critical value  of  \frac{\alpha }{2} is  

   Z_{\frac{\alpha }{2} } =  1.645

Generally the sample size is mathematically represented as  

    n = [\frac{Z_{\frac{\alpha }{2} }}{E} ]^2 * \^ p (1 - \^ p )

=>   n = [\frac{1.645 }{0.05} ]^2 * 0.5 (1 - 0.5 )

=>   n = 271    

5 0
3 years ago
(08.02)The ages of several trees in a neighborhood are shown below:
vesna_86 [32]
The answer is 12.4 :)


5 0
3 years ago
Read 2 more answers
Hi can someone help me with this its due tommorow!!!
bulgar [2K]

Answer:

1/12

Step-by-step explanation:

Is the answer I'm bro

4 0
3 years ago
Read 2 more answers
Find the length of the third side to the nearest tenth 6 and 9
oee [108]

Hello, i do believe that you are asking me to do pythagorean theorem.

I'm not too sure if we are solving hypotenuse or a/b so i'll do both.

\boxed{\underline{Hypotenuse...}}\\\\\\A^2+B^2=C^2\\6^2+9^2=C^2\;\\36+81=117

\sqrt{117}=10.816\\Round-\;10.8

\boxed{\underline{a/b...}}\\\\\\A^2=C^2-B^2\\A^2=9^2-6^2\\A^2=81-36\\A^2=45\\\sqrt{45}= 6.708\\Round-\;6.7

Hope it helps!

6 0
2 years ago
Let p: The kitchen is clean. Let q: The bedroom is clean. Which statement is true if the kitchen is clean but the bedroom is not
Ivan

P = The kitchen is clean → TRUE

Q = The bedroom is clean → FALSE


1) If P is true, then Q is true. → False statement

2) Statement Q is true if and only if P is true. → False statement

3) Both p and q are true. → False statement

4) Statement P or Q is true. → True statement ⇒ Statement P is true.


The answer is: The statement "Statement P or Q is true" is true.


There you go! I really hope this helped, if there's anything just let me know! :)


4 0
2 years ago
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