True or False? When choosing the sample size for estimating a ...

[bucstennis@aim.com]

True or False? When choosing the sample size for estimating a population proportion p to within E units with confidence (1 - )100,
 
  if you take p  0.5 as the approximation to p, you will always obtain a sample size that
  is at least as large as required.
  A) True B) False

Question 2

In a college student poll, it is of interest to estimate the proportion p of students in favor of changing from a quarter-system to a semester-system.
 
  How many students should be polled so that we can estimate p to
  within 0.09 using a 99 confidence interval?
  A) 205 B) 182 C) 261 D) 114

[b614102004]

Answer to Question 1

A

Answer to Question 2

A

[bucstennis@aim.com]

Gracias!

[nothere]

Thanks for the timely response, appreciate it