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sis Test for a Population Proportion
known brokerage firm executive claimed that $10\mathrm{\%}$ of investors are currently con ivestment goals. An XYZ Investor Optimism Survey, conducted over a two week $p$ ple of 700 people, $16\mathrm{\%}$ of them said they are confident of meeting their goals.
he claim that the proportion of people who are confident is larger than $10\mathrm{\%}$ at the null and alternative hypothesis would be:
$$\begin{array}{llllll}{I}_0:p=0.1& H_0:p\le 0.1& H_0:p\ge 0.1& H_0:\mu \le 0.1& H_0:\mu \ge 0.1& H_0:\mu =0.1\\ I_1:p\ne 0.1& H_1:p>0.1& H_1:p<0.1& H_1:\mu >0.1& H_1:\mu <0.1& H_1:\mu \ne 0.1\\ 0& & & & 0& \end{array}$$
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