If a Researcher Wishes to Increase the Confidence Level from 95

Multiple Choice

If a researcher wishes to increase the confidence level from 95% to 99%,what approximately will be the effect on sample size?

A) The sample size will decrease in proportion to the increase in the confidence level.
B) The ratio of the new sample size to the old is 3/2.
C) The ratio of the new sample size to the old is 2/3.
D) The ratio of the new sample size to the old is 9/4.
E) The ratio of the new sample size to the old is 4/9.