4. A fizzy-water manufacturer advertises that its bottles hold 12 oz. of liquid. They want to
estimate how many of their bottles hold less than that amount. They randomly select 60 filled
bottles off the assembling line and find that 4 of them hold less than 12 oz. of liquid. Find the
95% confidence level margin of error for the sample proportion. Use z= 1.960. Round your
answer to the nearest tenth of a percent.

0.8%
05.3%
6.3%
0 14.1%