Briefly describe how ONE historical event or development between 600 C. E. and 1250 C. E. not explicitly mentioned in the excerpts that could be used to support Cohen & Douglass’ interpretation.

The average act score follows a normal distribution, with a mean of μ = 21.1 and a standard deviation of σ = 5.1. what is the probability that the mean iq score of 50 randomly selected people will be more than 23? 0 1 0.9958 0.3547 0.0042

Why is it essential to operationally define the variables in a study?

Along with removing drugs from the body, the kidneys also a. balance ph levels b. release hormones that regulate blood pressure c. release hormones into the stomach d. a and b