Answer:
um
Step-by-step explanation:
um why did you spell a lot ????
Answer:
0.114,0.5263
Step-by-step explanation:
Given that a firm buys components from two suppliers:
A : 60% Defective 9%
B:40% Defective 15%
a) the probability that the next component the firm buys is defective
=prob purchased from A and defective + prob purchased from B and defective
= 
b) the probability that the component that the firm buys is from supplier B if we know that it is defective
=Prob from B and defective/Prob defective
= 
The answer for ure question is 12.8
2t^2 =4t+3t=5t
5t+500
3t^2=9t+t=10t
10t+300