Answer:
Step-by-step explanation:
p(headache) = 0.45
p(headache | taking a vitamin) = 0.15/0.50 = 0.30
The two probabilities <em>are not equal</em>.
Answer: 1/6
Step-by-step explanation:
just simplify 2/12 to 1/6
2/12 both divided by 2
Look up the law of sines, I suggest Khan Academy. It is better if you know how to do it, it is very useful.