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esis Test for a Population Proportion
known brokerage firm executive claimed that $10\mathrm{\%}$ of investors are currently confident of me nvestment goals. An XYZ Investor Optimism Survey, conducted over a two week period, found 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 0.10 signific
null and alternative hypothesis would be:
$$\begin{array}{cccccc}0:p=0.1& H_0:p\le 0.1& H_0:p\ge 0.1& H_0:\mu \le 0.1& H_0:\mu \ge 0.1& H_0:\mu =0.1\\ 1:p\ne 0.1& H_1:p>0.1& H_1:p<0.1& H_1:\mu >0.1& H_1:\mu <0.1& H_1:\mu \ne 0.1\end{array}$$
he test is:
two-tailed right-tailed left-tailed ${\sigma }^{\varsigma }$
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