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sis Test for a Population Proportion
known brokerage firm executive claimed that \( 10 \% \) of investors are currently con ivestment goals. An XYZ Investor Optimism Survey, conducted over a two week \( p \) ple of 700 people, \( 16 \% \) of them said they are confident of meeting their goals.
he claim that the proportion of people who are confident is larger than \( 10 \% \) at the null and alternative hypothesis would be:
\[
\begin{array}{llllll}
I_{0}: p=0.1 & H_{0}: p \leq 0.1 & H_{0}: p \geq 0.1 & H_{0}: \mu \leq 0.1 & H_{0}: \mu \geq 0.1 & H_{0}: \mu=0.1 \\
I_{1}: p \neq 0.1 & H_{1}: p> 0.1 & H_{1}: p< 0.1 & H_{1}: \mu> 0.1 & H_{1}: \mu< 0.1 & H_{1}: \mu \neq 0.1 \\
0 & & & & 0 &
\end{array}
\]
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