Question

Problem 2.102 Samples of cast aluminum parts are classified on the basis of surface finish (in microinches) and length measurements. The results of 100 parts are summarized as follow Length Excellent Good Surface Excellent 79 1 Finish Good 9 11 Let A denote the event that a sample has excellent surface finish, and let B denote the event that a sample has excellent length. (b) Give the exact answer P(B) (c) Round your answer to 4 decimal places (e.g. 98.7654). P(A I B) - (d) Round your answer to 4 decimal places (e.g. 98.7654). (e) Round your answer to 4 decimal places (e.g. 98.7654).

Answer 1

dotal 20 a) P(A) 8 P (8) 0.987 s 2