The average age of a company's president is 58 years old. Assume the variable is normally distributed. If the standard deviation is four years, find the probability that age of randomly selected president will be in the following range between 52 and 58.

Which approach to the theory-and-research cycle does the following sequence reflect: (1) specific observations suggest generalizations, (2) generalizations produce a tentative theory, (3) the theory is tested through the formation of hypotheses, and (4) hypotheses may provide suggestions for additional observations?

Which is an accurate comparison of the two data sets? the commute to work is typically shorter and more consistent than the commute home. the commute to work is typically shorter but less consistent than the commute home. the commute to work is typically longer and less consistent than the commute home. the commute to work is typically longer but more consistent than the commute home.

Given: x - 4x > 0, then the solution set in interval notation is: (-2, 0) true o false