7. Casinos are required to verify that their games operate as advertised. American roulette wheels have 38 slots —18 red, 18 black, and 2 green. In one casino, managers record data from a random sample of 200 spins of one of their American roulette wheels.
The table displays the results.

7 Casinos are required to verify that their games operate as advertised American roulette wheels have 38 slots 18 red 18 black and 2 green In one casino manager class=