Math Help - null and alter hypo

1. null and alter hypo

explain me plz

2. Originally Posted by samileo31
explain me plz
Have you reviewed the definitions of the null hypothesis and alternative hypothesis, definitions that are certain to be in your class notes and textbook?

3. If we are testing the hypothesis that the average difference is greater than 200 kg/acre then

$H_0:\mu_A-\mu_B\leq 200$

and

$H_A:\mu_A-\mu_B> 200$

4. please 2nd one also

5. Originally Posted by samileo31
please 2nd one also
One sided test when

$H_0:\mu_A-\mu_B\leq 200$ or $H_0:\mu_A-\mu_B\geq 200$

Two sided test when

$H_0:\mu_A-\mu_B= 200$