Answer:
d = Nc + x
Step-by-step explanation:
Given
N =
Multiply both sides by c to clear the fraction
Nc = d - x ( add x to both sides )
Nc + x = d
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2 answers:
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Answer:
752.95
Step-by-step explanation:
Data provided in the question
The standard deviation of population = 210
The Margin of error = 15
The confidence level is 75%, so the z value is 1.96
Now the required sample size is
= 752.95
Hence, the number of college students spends on the internet each month is 752.95
Simply we considered the above values so that the n could come