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4 votes
HELP IM IN A MIDDLE OF A TEST!! A locker combination has four nonzero digits. If no digit can be repeated and the first three digits are 1-2-3, what is the probability that the fourth digit is 4?

A.) 1/6
B.) 1/7
C.) 1/8
D.) 1/9
NO LINKS PLEASE

User Eleazar
by
8.6k points

2 Answers

4 votes

Answer:A

Explanation:

got right in quiz


User Mark Lodato
by
8.1k points
1 vote
i believe the answer would be . there are 9 possible numbers and you can't repeat them therefore taking out 1, 2, and 3. that leaves 7 possible numbers therefore it would be a 1/7 chance of getting 4.
User Alex Efremov
by
7.4k points
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