Mathematics, 20.02.2020 08:17 amiahmiller79
A building has 20 floors above the ground floor. Four people walk into this building on the ground floor, on their way to some floor above the ground.
When they reach the elevator, each person only presses the button of the floor they are going to.
What is the probability that 4 buttons for consecutive floors are pressed?
Answers: 2
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A building has 20 floors above the ground floor. Four people walk into this building on the ground f...
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