Events D and E are not mutually exclusive, with P(D) = 0.6, P(E) = 0.267 and P(D and E) = 0.16. What is the probability of P(D or E)

One-third of the people from country a claim that they are from country b, and the rest admit they are from country a. one-fourth of the people from country claim that they are from country a, and the rest admit they are from country b. in a combined census of the two countries, one-half of the total claimed to be from a. what is the ratio of the populations of country a to that of country b.

Type the correct answer in each box, round your answers to the nearest integer 20 25 30 in the figure, the perimeter of hexagon abcdef is approximately w units, and its area is square units

Factor the polynomial. b^2 + 4b + 4