Answer:
A: Since disjoint, P(up AND up AND up) = P(up) P(up) P(up) = .653= .27
A: Disjoint, so previous years have no effect on this year. 1-.65 = .35
A: Same direction; two different probabilities. P(up AND up) = .652 = .42. P(down AND down) = .352= .12. .42 + .12 = .55
Step-by-step explanation:
Answer:
B) 8:9
Step-by-step explanation:
Please refer to the attached image for explanations
6! is the factorial of 6, or 6*5*4*3*2*1.. it equals 720