Social Studies, 01.12.2020 16:20 FireStorm6265

When a library patron arrives at a local library thereis a 10% chance they walk away without checking out any item, a 20% chance they check out one item, a 30% chance they check out2 items and a 40% chance they check out3 items. If 140 patrons visit the library on a Saturday, what is the chance that they check outmore than 300 items?

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