In a random sample of 192 college students, 129 had part-time jobs. find the margin of error for the 95% confidence interval use
1 answer:
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Answer:
(x) = x - 3
Step-by-step explanation:
let y = f(x) and rearrange making x the subject, that is
y = x + 3 (subtract 3 from both sides )
y - 3 = x
Change y back into terms of x with x = (x) , thus
(x) = x - 3
