20 cans from the sample of 100 cans of mixed nuts had no cashews in them.
a) Employ this information to find out the 95% CONFIDENCE INTERVAL for proportion of cans which contain no cashews (determine to 3 decimal places).
b) What is the margin of error for confidence interval in (a)?
c) Employ this information to find out the 99% CONFIDENCE INTERVAL for proportion of cans which contain no cashews (determine to 3 decimal places).
d) What is the margin of error for confidence interval in (c)?