The mean weight of male aerobics instructors in a certain city is equal to 181 lbs. Express the null and alternative hypotheses in symbolic form for this claim.

$\displaystyle {H}_{{0}}:\mu$

$\displaystyle {H}_{{1}}:\mu$

Use the following codes to enter the following symbols:
     $\displaystyle \ge$ enter >=
     $\displaystyle \le$ enter <=
     $\displaystyle \ne$ enter !=