Three digits are randomly chosen from {1,2,3,4,5,6,7} without replacement. a) What is the probability the number...

Three digits are randomly chosen from {1,2,3,4,5,6,7} without replacement.

a) What is the probability the number formed is 123 or 567?

b) What is the probability the number formed has first digit 1?

c) What is the probability the number formed by the three digits is greater than 520?

Expert Solution

Colby Messinger answered 2 years ago

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