Instruction 4.5 in a Meat-Packaging Plant, Machine a Accounts for 60% of 60

Short Answer

Instruction 4.5
In a meat-packaging plant, Machine A accounts for 60% of the plant's output, while Machine B accounts for 40% of the plant's output. In total, 4% of the packages are improperly sealed. Also, 3% of the packages are from Machine A and are improperly sealed.
-Referring to Instruction 4.5,if a package is selected at random,the probability that it will be properly sealed is _____________ .