My daughter has to draw a slot machine with 3 slots and the probablity of winning is 1/420. We have to give a reason for how she designs it. I am lost.

Question

My daughter has to draw a slot machine with 3 slots and the probablity of winning is 1/420.  We have to give a reason for how she designs it.  I am lost.

owlfred · Answer

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anonymous · Answer

Well when you pull the arm the slots will roll right
So to match things up
Of could have a probability of 1/10 on the first slot and 1/6 on the second slot and 1/7 on the third slot

Because 1/0 times 1/6 times 1/7 equals 1/420

anonymous · Answer

thank you

anonymous · Answer

No problem depending on the age I might make the denominators the same