- A. An union representing the Bottle Blowers of America (BBA) isconsidering a proposal to merge with the Teamsters Union. Accordingto BBA bylaws, at least three-fourths of the union membership mustapprove any merger. A random sample of 2,000 current BBA membersreveals 1,600 plan to vote for the merger proposal. Develop a 95%confidence interval for the population proportion. Show pointestimate, standard error and margin of error and finally yourconfidence interval.
Basing your decision on this sampleproportion, can you conclude that the necessary        proportion of BBAmembers favor the merger?Why?                                                    Â
     B. The estimate of the population proportion is to bewithin plus or minus 0.10, with a 99% confidence coefficient level.The best estimate of the population proportion is given as 45%. Howlarge a sample is required under these specifications?                                       Â