Why is a single 70% chance different to Ten 7% chances

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Like. I know they are different and that one is less likely. But could someone explain this in a way that I can explain it to my partner? I know it is true but cannot remember anything about why and how to explain my point.

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Anonymous 0 Comments

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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