In the context of the above problem, answer the following questions in the order displayed below: $($Note that this is a composite parts question with multiple sub$-$questions, answer all such questions. Your software may display a message showing $"0$ correct out of $1"$ unless you answer all parts of the question correctly. Don't worry about the message, you will get partial credit for each correct answer$)$

$($a$)$ What is the appropriate research hypothesis?

H$1$:X$<10$

H$1$:$\backslash$mu $>10$

H$1$: $\backslash$mu $!=10$

H$1$: $\backslash$mu $<10$