Please help. Thank you.

A well-known brokerage firm executive claimed that at least 42 % of investors are currently confident of meeting their investment goals. An XYZ Investor Optimism Survey, conducted over a two week period, found that out of 129 randomly selected people, 49 of them said they are confident of meeting their goals. Suppose you have the following null and alternative hypotheses for a test you are running: H0:p=0.42 Ha:p>0.42 Calculate the test statistic by hand, rounded to 3 decimal places