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slega [8]
3 years ago
10

Please help! will give brainlist

Mathematics
1 answer:
LuckyWell [14K]3 years ago
5 0
The answer would have to be D
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Simplify. rewrite the expression in the form 8n. (8^-8(8^3)
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A faraway planet is populated by creatures called Jolos. All Jolos are either
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Step-by-step explanation:

I got it right on A P E X

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3 years ago
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sasho [114]

OK im answering ............................................................................................................

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3 years ago
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As an aid to the establishment of personnel requirements, the director of a hospital wishes to estimate the mean number of peopl
GenaCL600 [577]

Answer:

n = 66.564

Step-by-step explanation:

  1. Because the population is unknown, we will apply the following formula to find the sample size:

n= (\frac{zS}{E} )^{2}

Where:

z = confidence level score.

S = standard deviation.

E = error range.

   2. We will find each of these three data and replace them in the formula.

"z" theoretically is a value that measures how many standard deviations an element has to the mean. For each confidence level there is an associated z value. In the question, this level is 99%, which is equivalent to a z value of 2.58. To find this figure it is not necessary to follow any mathematical procedure, it is enough to make use of a z-score table, which shows the values ​​for any confidence interval.

The standard deviation is already provided by the question, it is S = 100.

Finally, "E" is the acceptable limit of sampling error. In the example, we can find this data. Let us note that in the end it says that the director wishes to estimate the mean number of admissions to within 1 admission, this means that she is willing to tolerate a miscalculation of just 1 admission.

Once this data is identified, we replace in the formula:

n=(\frac{(2.58)(100)}{1} )^{2}

    3. The corresponding mathematical operations are developed:

n=(\frac{258}{1} )^{2}

n= (258)^{2}

n= 66.564

4 0
3 years ago
C-7.6=-4 what is the value of c
9966 [12]
C - 7.6 = -4
c = -4 + 7.6
c = 3.6
4 0
2 years ago
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