A retail survey of a sample of 30 shoppers at a grocery store revealed that 3 shoppers sampled, only purchased organic produce.

A)Construct a 95% confidence interval for the population proportion of shoppers who only purchase organic produce, at this grocery store.Do NOT interpret.

B)If it was desired to attempt to "improve" the estimate constructed in A) by increasing the level of confidence from 95% to 99%, and keeping everything else as it is, comment on any negative aspects of this strategy.