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Ierofanga [76]
3 years ago
12

The population of Rock Springs is growing at a constant rate. The expression represents the increase in population in x years. 4

5,200 + 1,900x What is the initial population of Rock Springs?
A) 0
B) 1,900
C) 45,200
D) 47,100
Mathematics
1 answer:
shusha [124]3 years ago
8 0
The expression is given such as:
45, 200 + 1900x

We are asked to solve for the initial production, which means we have x = 0
The solution is shown below:
45, 200 + 1900*0
= 45,200 +0
=45, 200

The answer is letter "C" 45, 000.
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Answer:

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Sample size 'n' = 625

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

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probability of positive reactions p = 1/2

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we know that \sqrt{p(1-p}\leq \frac{1}{2}

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Given margin of error  = 2 % =0.02

The margin of error is determined by

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       n = 625

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