Suppose X∼N(16.5,0.5), and x=16. Find and interpret the z-score of the standardized normal random variable. Provide your answer below:

The z score when x=16 is
. The mean is

Summarize the work of famous environmental scientists of the past.

The graph shows the populations of two species in a particular region over two decades. based on the graph, what can you conclude about the relationship between the two species? a. the two species have a parasitic relationship. b. the two species are mutualistic in nature. c. the two species exhibit commensalism. d. the two species have a prey-predator relationship. e. the two species have a familial relationship.

Ahands-free device may only be used if it can be activated or deactivated with a