Type II error is called false negative, that mean that you say the null hypothesis is right when it is not. In this case, the null hypothesis is "the drug is not safe". Then the error should be <span>to conclude the drug is safe when in, fact, it is unsafe</span>.
No you can also get it when you drink someones drink or something etc.
Can you please explain what your question is better?
His cells contained normal levels of oxygen molecules, low levels of amino acid molecules, and low levels of glucose molecules. Will this patient be able to exercise normally? a Yes, as long as her cells have enough oxygen, her body will be able to exercise.