We have calculated a 95% confidence interval and would prefer for our next confidence interval to have a smaller margin of error
without losing any confidence. In order to do this, we can ________. I. change the z* value to a smaller number.
II. take a larger sample.
III. take a smaller sample.
Which is the correct answer from above? There can be more than one.
Janice deposited $750 and a savings account earns 3.5% simple interest. r = 3.5% = 0.035 I = $750 * 0.035 I = $26.25 Answer: Janice has earned D ) $26.25
