A well$-$known brokerage firm executive claimed that at least $61\%$ 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 $68$ randomly selected people, $43$ of them said they are confident of meeting their goals.

Suppose you are have the following null and alternative hypotheses for a test you are running:

$H_0$:$p=0\mathrm{.}61$

$H_a$:$p>0\mathrm{.}61$

Calculate the test statistic, rounded to $3$ decimal places

$z=$