Sicily is playing a game where she is trying to guess the four digits in her friend's locker code, in any order. The digits range from 1 to 20, and none of the digits are repeated. If Sicily makes 6 guesses, what is the probability that she will make a winning guess?

Question

Giada Molina

Mathematics

2 February, 20:09

Sicily is playing a game where she is trying to guess the four digits in her friend's locker code, in any order. The digits range from 1 to 20, and none of the digits are repeated. If Sicily makes 6 guesses, what is the probability that she will make a winning guess?

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Answers (1)

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Belinda Osborne · Answer 1

I think that the answer is 83.3%, because if you take the amount of digits, being 20 and divided that by the amount of digits, being 4, and then took the answer from there which is 5 and divided that by the number of guesses which is 6 and multiplied that answer by 100 and got 83.3%