The weight of a small Starbucks coffee is a normally distributed random variable with a mean of 360 grams and a standard deviation of 13 grams. Find the weight that corresponds to each event. (Use Excel or Appendix C to calculate the z-value. Round your final answers to 2 decimal places.)

a. Highest 10 percent
b. Middle 50 percent
c. Highest 80 percent
d. Lowest 10 percent

Wats iqpow pls write 20 words for an answer

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

How do we determine if they are made with matter