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Part $1$

A null and alternative hypothesis are given. Determine whether the hypothesis test is$$ left$-$tailed, right$-$tailed, or$$ two$-$tailed.

H$0$:

$\backslash$mu

$>=$

$8\mathrm{.}7$

Ha$$:

$\backslash$mu

$<$

$8\mathrm{.}7$

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Part $1$

What type of test is being conducted in this$$ problem?

A$.$

Two$-$tailed test

B$.$

Left$-$tailed test

C$.$

Right$-$tailed test