Imagine two bags, each filled with 100 marbles.
The first bag has 70 red marbles and 30 black marbles.
The second bag has 7 red marbles and 93 black marbles.
A single 70% chance would be reaching into the first bag one time hoping for a red marble.
Ten 7% chances would be reaching your hand into the second bag, grabbing a marble, putting the marbles back and then trying again until you try 10 times.
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