SOLUTION: If P(A)=62.9%, P(B)=45.2%, and P(A and B)=21%, what is the probability of A or B?

SOLUTION: If P(A)=62.9%, P(B)=45.2%, and P(A and B)=21%, what is the probability of A or B?

Algebra.Com

Question 1156606: If P(A)=62.9%, P(B)=45.2%, and P(A and B)=21%, what is the probability of A or B?
Answer by Boreal(15235) (Show Source): You can put this solution on YOUR website!
P(A or B)=P(A)+P(B)-P(A and B)
=0.629+0.452-0.21
=1.081-0.210
=0.871
RELATED QUESTIONS
4. Compute the probability. a. If P(A) = 0.2 , P(B)= 0.4, and P(A and B) = 0.1, find... (answered by ikleyn)

Find the indicated probability given P(A)=45% P(B)=70% P(A and B)=20% P(A... (answered by ikleyn)

If P(A)= 7, P(B) = 45 and P(A and B) = 2 P(A or B) = P(not A) = P( not B) = P (A... (answered by ikleyn,MathLover1)

According to the general equation for conditional probability, If P(A U B)=2/9 and... (answered by Boreal)

Hi >> what are mean this symbols in the probability : 1 : p(A and P) ???? 2 (answered by psbhowmick)

Suppose the probability of A is .3, the Probability of B is .45 and the probability of... (answered by jim_thompson5910)

If P(A) = 0.80, P(B) = 0.70 AND P(A or B) = 0.90, then P(A and B) is... (answered by robertb)

IF P (A or B) = 0.8, and P (A) = 0.4, P (A and B) = 0.25, what is P(B)? (answered by 20800563)

If P(A | B) = 0.2, P(A) = 0.3 and P(B) = 0.4, what is P(A or B)... (answered by ikleyn)