The owner of a meat market has an assistant who was determined that the weights of roasts are normally distributed, with a mean of 3. 2 pounds and standard deviation of 0. 8 pounds. If a sample of 25 roasts yields a mean of 3. 6 pounds, what is the z-score of this sample mean?.

Find an equation in standard form of the parabola that passes through (-2, 9), (-4, 5), and (1, 0)

In an ecosystem, marsh snails feed on phytoplankton and painted turtles feed on marsh snails. pollution has resulted in the depletion of phytoplankton. what effect would this situation likely have on the population of marsh snails and painted turtles? as phytoplankton were destroyed, the population of marsh snails would most likely then the population of painted turtles would mostly likely a. 1. increase 2. decrease 3. stay the same b. 1. increase 2. decrease 3. stay the same

Students who utilize the" read, underline and eliminate" strategy are more likely to get better test grades. why do you think this is so