a chemical engineer must report the average volume of a certain pollutant produced by the plants under her supervision. here are the data she has been given by each plant:

Scientists observed a rock stratum with fossil. if mollusks evolved before arthropod, where will their fossils be found.

Consider a normal distribution of frog weights with u = 500 grams and o = 65 grams. a sample of size 2,000 is drawn from this population. approximately how many of the 2,000 cases would you expect to find between 435 and 565?

Which key skills does the sat writing and language section asses?