SOLUTION: A Las Vegas casino surveyed 250 gamblers. The results are as follows:
124 played poker
96 played blackjack
51 played both
Construct a Venn diagram
Hi,
i. How many played only blackjack? 96 - 51 = 45
ii. How many played only poker? 124 - 51 = 73
iii. How many played either one or the other or both? 45+73+51= 169
iv. How many played neither? 250-169 = 81