Question: A computer store has 15 copies of a software package. Unknown to the store, 3 of the packages have bad disks. What is the probability

A computer store has 15 copies of a software package. Unknown to the store, 3 of the packages have bad disks. What is the probability of the following events? Show all work not only answers

Part a: a customer buys one package, that it will be one of the packages that contains a bad disk?

Part b: a customer buys one package, that it will be one of the packages that IS NOT a bad disk?

Part c: a customer buys three packages and all are bad disks?

Part d: a customer buys three packages and none of them are corrupted?

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