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Vedmedyk [2.9K]
3 years ago
7

A safe has a 4-digit lock code that does not include zero as a digit and no digit is repeated. What is the probability

Mathematics
2 answers:
sergeinik [125]3 years ago
8 0

Answer:To find the total number of outcomes for this event, find the permutation of  

⇒ 9 things taken 4 at a time.

The total number of outcomes is  

⇒ 3,024.

The total number of favorable outcomes is a permutation of  

⇒ 4 things taken 4 at a time.

The probability that the lock code consists of all even digits is  

⇒ 24 out of 3,024.

Flura [38]3 years ago
7 0

Answer: 9, 3024, 4, 24

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