Q1] A/ The following table shows the pipes by materials and by whether coated or not رقم الشعبة :G Coated (C1) coated. رقم الطالب :N R=(N+3+G) Not coated (C2) Concrete (T1) PVC (T2) Cast iron (T3) R...

Extracted text: Q1] A/ The following table shows the pipes by materials and by whether coated or not رقم الشعبة :G Coated (C1) coated. رقم الطالب :N R=(N+3+G) Not coated (C2) Concrete (T1) PVC (T2) Cast iron (T3) R 87 33 N*G R+23 54 Compute the following probabilities if one of these pipes is selected randomly: (1) P(C1\T3) (2) P(T1\C2) (3) P(C2\T1) B/ Let Y denotes a random variable having a negative binomial distribution, with p=(2*G/10) . Find P(Y 26) if r=G+1. N=14 G=2 R=19