I have 2 more questions A) Does the poll give convincing evidence? Explain your reasoning. B) What sample size would be required to reduce the standard deviation of the sampling distribution to one-third the value. Justify your answer.

8 points CNN polled a random sample of people if they watched the NCAA men's basketball championship tournament.. Let p be the proportion of people in the sample who watched the playoffs. A local radio station claims that 40% of all U.S. adults viewed the championship games. Suppose this claim is true. Find the probability of obtaining a sample of 1800 people of which 44% or more respond they watched the NCAA men's basketball championship tournament. Show all steps and prove all conditions. Remember to sketch the Normal curve. B U A A . T. E x x 1 3 12pt Paragraph