Answer Happy

You may need to use the appropriate appendix
table or technology to answer this question.
A center for education statistics reported that 42% of
college students work to pay for tuition and living expenses.
Assume that a sample of 410 college students was
used in the study.
(a)
Provide a 95% confidence interval for the population proportion
of college students who work to pay for tuition and living
expenses. (Round your answers to four decimal places.)
to
(b)
Provide a 99% confidence interval for the population proportion
of college students who work to pay for tuition and living
expenses. (Round your answers to four decimal places.)
to
(c)
What happens to the margin of error as the confidence is
increased from 95% to 99%?
The margin of error becomes smaller.The margin of error remains
the same. The margin of error becomes
larger.