On a certain statistics test, 20% of the students earned a score of 90 or above. It was also

true that 20% of the male students earned a score of 90 or above. Are the events earning
a score of 90 or above and being male independent? Explain.

What will be an ideal response?

Yes; P(earning a 90 or above) = .2 and P(earning a 90 or above | male) =.2; Since these probabilities are equal, the
events are independent.

Business

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The three types of research approaches a marketer may use are ________, ________, and ________.

A. surveys; observations; historic reviews B. observations; surveys; databases C. observations; experiments; surveys D. experiments; databases; surveys

Business

Why do companies hold working capital? Why do firms need to minimize their working capital balances?

What will be an ideal response?

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