In a Chi-square analysis, what general condition causes one to reject (fail to accept) the null hypothesis?
A) usually when the probability value is less than 0.05
B) when observed = expected
C) when observed >> expected
D) usually when the probability value is less than 0.005
E) usually when the probability value is less than 0.5
Answer: A
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The major source of naturally-produced penicillin is the mold ________.
What will be an ideal response?