Probability

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1. If weight in the general population is normally distributed with an average of 160 pounds and a standard deviation of 20 pounds what is the probability of selecting someone who weighs 180 or more pounds?


2. 7. If weight in the general population is normally distributed with an average of 160 pounds and a standard deviation of 20 pounds what is the probability of selecting someone who weighs 120 or less or 180 or more pounds?


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