Many people think that a national lobby's successful fight against gun control legislation is reflecting the will of a minority of americans. a previous random sample of 4000 citizens yielded 2250 who are in favor of gun control legislation. how many citizens would need to be sampled if a 99% confidence interval was desired to estimate the true proportion to within 5%?

611

690

653

664

At least 653 citizens need to be sampled.

Step-by-step explanation:

The following formula is used to compute the minimum sample size required to estimate the true proportion who are in favor of gun control legislation  within 5% margin of error:

n≥ p×(1-p) × where

Putting numbers in the formula

n≥ 0.5625×0.4375 × ≈652.7

n needs to be at least 653 to provide this equation.

2,160 π

step-by-step explanation: