0.19 Question 14 10 pts A certain company sends 45% of its overnight mail parcel

Question

0.19 Question 14 10 pts A certain company sends 45% of its overnight mail parcels via express delivery service 1 and the rest by express delivery service 2. Express delivery service 1 has a record of 1.5% of packages being delivered late and express delivery service 2 has a record of 100% of packages being delivered late What is the probability that a package is delivered late? 0.053 Question 15 10 pts Suppose that the three inspectors in a fim factory are supposed to stamp the expiration date on each package of fhilm at the end of the assembly operation, after each package passes inspection. The four inspectors, however, miss some packages 5 7000 2-in-1 HD

Explanation / Answer

P(Late ) = P(L/E1)P(E1) + P(L/E2)P(E2)

= ( 0.015)(0.45) + (0.10)(0.55)

= 0.00675 + 0.055 = 0.06175

= 0.062

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