A golf ball is selected at random from a golf bag. If the golf bag contains 8 type A balls, 6 type B balls, and 5 type C balls, find the probability that the golf ball is not a type A ball. The probability that the golf ball is not a type A ball is (Type an integer or decimal rounded to three decimal places as needed.)

CAn you help?

15 Vn5 a. n10 b. n5 c. n4 d. Vn10

16. Farmer Jim plants apple trees in a square pattern. To protect the apple trees against wind, he plants conifers or pine trees all around the orchard. The diagram shows the pattern of plantings for any number of rows (n) of apple trees. How many apple and conifers or pine trees are needed for n = 5? n = 2 n = 3 n = 4 X X X X X X X X X X X X X X X X X X X X X n = X X X 1 X • X X • X X X X X • • X X X X X X X X • X XXXXXXX XX X • X • X X XX • X X • X X X X X X X X x = conifer tree • = apple tree X X • X X • X X X X X X X X X