0.004 is the probability of getting exactly 0 tails :)
You have a 1/2 (or 50 percent) chance of picking a cheese sandwich at random out of your total of 8 sandwiches, 4 out of which are cheese. Simplifying the fraction, you'd get 1/2 probability. Hope this helps!
Answer:
4x-8+4y
Step-by-step explanation:
