(Please help )Prove or disprove that point (4.00, 4,50) lies on circle O centered at the origin.
1 answer:
You might be interested in
Answer:
P(X and Y) =0.2, P(X or Y)=0.7
Step-by-step explanation:
P(X or Y)
P(X∪Y) = P(X)+P(Y) - P(X∩Y)
= 0.5 + 0.4 - 0.2
= 0.7
or 1-P(Y|X)=1-0.3=0.7
P(X and Y)
P(X∩Y) = P(X) × P(Y)
= 0.5 × 0.4
= 0.2
I hope it helps
