SOLUTION: in percentage problems why do we need to subtract from 100 in some situations

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Question 789394: in percentage problems why do we need to subtract from 100 in some situations
Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
suppose we are dealing with a normal distribution and we are asked
what is the probability that values are greater than a certain value x
we then determine the probability of values less than x as a percentage and
subtract that percentage from 100 to get the answer