Express the Null Hypothesis $\mathrm { H } _ { 0 }$

Express the null hypothesis $\mathrm { H } _ { 0 }$ and the alternative hypothesis $\mathrm { H } _ { 1 }$ in symbolic form. Use the correct symbol ( $\mu , \mathrm { p }$ , $\sigma$ ) for the indicated parameter.
-A psychologist claims that more than 6.3 percent of the population suffers from professional problems due to extreme shyness. Use p, the true percentage of the population that suffers from extreme shyness.

A) $\begin{array}{l}\mathrm{H}_{0}: p<6.3 \% \\\mathrm{H}_{1}: \mathrm{p} \geq 6.3 \%\end{array}$

B) $\begin{array}{l}\mathrm{H}_{0}: \mathrm{p}=6.3 \% \\\mathrm{H}_{1}: \mathrm{p}<6.3 \%\end{array}$

C) $\begin{array}{l}\mathrm{H}_{0}: \mathrm{p}=6.3 \% \\\mathrm{H}_{1}: \mathrm{p}>6.3 \%\end{array}$

D) $\begin{array}{l}\mathrm{H}_{0}: \mathrm{p}>6.3 \% \\\mathrm{H}_{1}: \mathrm{p} \leq 6.3 \%\end{array}$

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