An opinion poll asks a random sample of adults whether they favor banning ownership of handguns by private citizens. A commentator believes that more than half of all adults favor such a ban. The null and alternative hypotheses you would use to test this claim are

$\text{а.}\mathrm{H}0:{\mathrm{p}}^{\wedge =0.5};\mathrm{Ha}:{\mathrm{p}}^{\wedge >0.5}{H}_0:\hat{p}=0.5;H_a:\hat{p}>0.5\text{.}$

$\text{b. H0:}\mathrm{p}=0.5;\text{Ha:}\mathrm{p}>0.5H_0:p=0.5;H_a:p>0.5\text{.}$

$\text{c. H0:}\mathrm{p}=0.5;\text{Ha:}\mathrm{p}<0.5H_0:p=0.5;H_a:p<0.5\text{.}$

$\text{d. H0:}\mathrm{p}=0.5;\text{Ha:}\mathrm{p}\ne 0.{\mathrm{H}}_0:p=0.5;H_a:p\ne 0.5\text{.}$

$\text{e. H0:}\mathrm{p}>0.5;\text{Ha:}\mathrm{p}=0.5H_0:p>0.5;H_a:p=0.5\text{.}$

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