After deciding on a 95% confidence level, a researcher is trying to decide what sample size to use. Using a sample size of 800 instead of 200 would increase the cost to conduct her research, but how will it affect her margin of error?
a.The interval will be more likely to capture the true population parameter because it will be wider.
b.The interval will be less likely to capture the true population parameter because it will be narrower.
c.The margin of error will be cut in half
d.The margin of error will be doubled,
