A well-known brokerage firm executive claimed that 80% of investors are currently confident of meeting their nvestment goals. An XYZ Investor Optimism Survey, conducted over a two week period, found that in a sample of 300 people, 76% of them said they are confident of meeting their goals. Test the claim that the proportion of people who are confident is smaller than 80% at the 0.005 significance level. The null and alternative hypothesis would be: Ho:p 2 0.8 Ho:u 2 0.8 Ho:p 0.8 H1:p #0.8 H1: > 0.8 H1:u#0.8 %3D The test is: two-tailed right-tailed left-tailed The test statistic is (to 3 decimals) The p-value is: (to 4 decimals) Based on this we: Reject the null hypothesis Fail to reject the null hypothesis