Assume that male and female births are equally likely and that the birth of any child does not affect the probability of the gender of any other children. Suppose that 950 couples each have a baby; find the mean and standard deviation for the number of boys in the 950 babies.

Which scenario describes intraspecific, indirect competition? a. a peacock defends its territory against another peacock. b. lions and hyenas compete for the same prey animals. c. a male black bear eats fish in an area of a lake, so other black bears can’t. d. different species of birds fight over spilled popcorn on the ground.

What term refers to the initial training given to all new employees?

The tendency to seek out individuals who represent the same level of physical attractiveness as ourselves is explained as