If P(A)=0.2, P(B)=0.5, and P(A∪B)=0.7, then
P(A∩B)=
.
(a) Are events A and B independent? (enter YES or NO)

(b) Are A and B mutually exclusive? (enter YES or NO)

Amodel rocket is launched from a roof into a large field. the path of the rocket can be modeled by the equation y = -0.04x^2 + 8.6x + 4.8, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of the rocket above the ground. how far horizontally from its starting point will the rocket land? a. 0.56 m b. 215.56 m c. 431.11 m d. 215.74 m