The Student Health Center at NCSU would like to conduct a survey to estimate the proportion of NCSU students who have sm

[answerhappygod]

The Student Health Center at NCSU would like to conduct a survey
to estimate the proportion of NCSU students who have smoked
marijuana in the past month. The Student Health Center would like
to estimate the population proportion p to within .04 with 95%
confidence.
Question 1. What sample size is required if the
Health Center has no knowledge of the approximate value of p?
(Round your answer up to the next largest integer).
Question 2. The Health Center discovers the
results of a previous survey that estimates p to be about .35. Use
this additional information to calculate the sample size required
to estimate the population proportion p to within .04 with 95%
confidence. (Round your answer up to the next largest integer)