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 170 or more pounds?
What will be an ideal response?
Z = 0.50, p = 0.30854
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The first reflexes to appear are usually the
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What does the ".05 level" tell us?
A) The results will only occur 1 in 5 times by chance alone B) The results will only occur 20 percent of the time by chance alone C) The results will only occur 1 in 20 times by chance alone D) The results will only occur 1 in 100 times by chance alone