[1] |
(#19 Pg 292) In a group of tourists, 20 tourists like to fly American Airlines, 30 tourists
like to fly British Airways, and 6 tourists like to fly both. |
|
I like both airlines
|
|
|
(a)(1 pt) Define in English the SETS (not numbers) A and B in the
Venn diagram at the right, so that
n(A) = 20 and n(B) = 30. If you define
A and B as numbers, no credit. |
|
(b)(2 pts) Place numbers in the compartments of the Venn diagram at the
right, so as to interpret the information given in the boxed problem above. |
(c)(1 pt)Assuming that your answers to (b) above are correct,
how many tourists like to fly only one of these airlines? |
(d)(1 pt)Assuming that your answers to (b) above are correct,
how many tourists like to fly one or both of these airlines? |
|