The average weight of a human baby at birth is 7.3 pounds with a standard deviation of 2.6 pounds. What is the probability that a sample of 22 babies would have an average birth weight of 6.9 pounds or less?

You find a mysterious, dull substance on the ground and pick it up for a closer look. it is powdery, very light, and soft to the touch. the substance is most likely i. an organic mineral ii. a metallic mineral iii. a nonmetallic mineral i only ii only iii only i and ii i and iii

Which area of the mind works based on the reality principle? id ego superego conscience

In what ways is ww1 the third balkan war?