exam Maths Puzzle Numerical Ability

Events A and B are disjoint.P(A) =40/61 and P(B) = 2/61/
Find P(A or B)

Thank you for your answers. Answers Preferred from Checkley77,Solver 91311,Stanbon,or Fombitz,Thanks.

Read Solution (Total 0)

exam Other Question

Please help me anyone with this question. I have triedm it over and over again and it is just getting confusing. PLEASE HELP ME!!!!!!

1)x^2-12x+32/x^2-6x-16/x^2-x-12/x^2-5x-24 If sin alpha is less then 0, cos alpha = 1/3, cos beta is less then 0 and sin beta = -2/3, find the following:
a. sin(alpha + beta) b. cos (alpha - beta)