A question about probability?

There are 2 identical buttons. Each have 50% chance that will shock when being pushed. If Im required to press 5 times on any of the 2 buttons (or bot

There are 2 identical buttons. Each have 50% chance that will shock when being pushed. If I'm required to press 5 times on any of the 2 buttons (or both), what will give me the least chance of being shocked: press the one button 5 times? Or press one button for 3 times and the other button for 2 times?

or:There are 2 identical buttons. Each have 50% chance that will shock when being pushed. If I'm required to press 5 times on any of the 2 buttons (or both), what will give me the least chance of being shocked: press the one button 5 times? Or press one button for 3 times and the other button for 2 times?

or:According to your definitions it does not matter which button or what order. The odds are exactly the same for all choices.

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