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creativ13 [48]
3 years ago
15

x})^{2} " alt=" ( 3 - ( - 4 {x})^{2} " align="absmiddle" class="latex-formula">

Mathematics
1 answer:
Alja [10]3 years ago
3 0
The answer to the question

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Solve and graph the solutions to the number line
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GO TO THIS WEB SITE AND PUT IN THE TWO NUMBERS THAT YOU NEED TO DO 
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6 0
3 years ago
A marketing firm is asked to estimate the percent of existing customers who would purchase a "digital upgrade" to their basic ca
Ugo [173]

Answer: A. 664

Step-by-step explanation:

Given : A marketing firm is asked to estimate the percent of existing customers who would purchase a "digital upgrade" to their basic cable TV service.

But there is no information regarding the population proportion is mentioned.

Formula to find the samples size , if the prior estimate to the population proportion is unknown :

n=0.25(\dfrac{z*}{E})^2

, where E = Margin of error.

z* = Two -tailed critical z-value

We know that critical value for 99% confidence interval = z*=2.576  [By z-table]

Margin of error = 0.05

Then, the minimum sample size would become :

n=0.25(\dfrac{2.576}{0.05})^2

Simplify,

n=0.25\times2654.3104=663.5776\approx664

Thus, the required sample size= 664

Hence, the correct answer is A. 664.

5 0
3 years ago
Are negative numbers prime or composite?
user100 [1]

Negative numbers aren't considered in any of those categories.

3 0
2 years ago
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