The distributive property of 12(309) and the distributive property of 8(100+10+8)
1 answer:
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Answer:
0.02% probability a password chosen at random is 7654
Step-by-step explanation:
A probability is the number of desired outcomes divided by the number of total outcomes.
The order in which the numbers are chosen is important. For example, 7654 is a different password than 6754. So the permutations formula is used to solve this question.
Permutations formula:
The number of possible permutations of x elements from a set of n elements is given by the following formula:
What is the probability a password chosen at random is 7654?
Only one desired outcome(password 7654), so
Total outcomes:
4 numbers from a set of 10. So
Probability:
0.02% probability a password chosen at random is 7654