A survey was given to a group of 12 seniors in high school about how much money they spent last weekend. The results are below: $45 $30 $15 $105 $35 $50 $15 $40 $45 $75 $60 $50 The standard deviation of this data set

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin. how many doctors use brand x aspirin

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2