Prob and Stats
posted by Statistics help! .
A lot of pigs should be shipped to marken when their average weight is 220lb. If the pigs are too light, then fewer total pounds are sold. If the pigs are too heavy, then a lower price is received. To determine what a lot of pigs should be shipped, the farmer weighs a sample of pigs. State the null and alternate hypothese in this setting.

Prob and Stats 
PsyDAG
Ho: mean = 220 lbs.
H1: mean does not equal 220 lbs.
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