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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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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