Question 2 A well-known brokerage firm executive claimed that 20% of investors are currently confident of meeting their investment goals. An XYZ Investor Optimism Survey, conducted over a two week period, found that in a sample of 400 people, 25% of them said they are confident of meeting their goals. Test the claim that the proportion of people who are confident is larger than 20% at the 0.01 significance level. The null and alternative hypothesis would be: Ho : p = 0.2 Ho : p 2 0.2 Ho : M = 0.2 Ho : u 0.2 H1 : p / 0.2 H1 : p 0.2 H1 : p > 0.2 H1 : u