SOLUTION: if p(a)= 0.5 , p(b) =0.4 and p(a and b) = 0.20 determine p(a|b)

Algebra.Com
Question 426267: if p(a)= 0.5 , p(b) =0.4 and p(a and b) = 0.20 determine p(a|b)
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
if p(a)= 0.5 , p(b) =0.4 and p(a and b) = 0.20
------------------------------
determine p(a|b) = P(a and b)/P(b) = 0.2/0.4 = 1/2
====================================
Cheers,
Stan H.
============

RELATED QUESTIONS

If P(A and B) = 0.2 and P (B|A) = 0.5, find P... (answered by math_tutor2020,greenestamps)
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)
Suppose P(A)=0.9, P(B)=0.4 and P(B|A)=0.2. What is... (answered by math_tutor2020)
If P(A)=0.20, P(B)=0.80, then P(A and B) =0.20, then P(A/B)... (answered by ikleyn)
P(A) = 0.5 P(B) = 0.6 P(A and B) =... (answered by ikleyn,math_tutor2020)
If P(A) > 0, P(B) > 0 and P(A) < P(A|B), show that P(B) < P(B|A) Thank... (answered by ikleyn)
ii. If P(B)=0.30, P(A│B)=0.60, P(B’)=0.70 and P(A│B’)=0.50, find... (answered by ikleyn)
P(A) = 0.31 P(B given A) = 0.8 P(A and B) =... (answered by ikleyn)
If A and B are events with P(A)=0.8, P(A OR B)=0.87, P(A AND B)=0.23, find... (answered by math_tutor2020)
P(A) = 0.56, P(A and B) = 0.15, find... (answered by Boreal,ikleyn)