Incoming students at a school are assigned six-digit ID numbers. The first digit is chosen at random from the digits 0 through 3. The remaining five digits are chosen at random from the digits 0 through 9. What is the probability that an incoming student is assigned an ID number that begins with the digits 012? Enter your answer in the box.

Question

7 June, 10:04

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Answers (2)

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Scarlett Terry · Answer 1

P (012) = (1/4) (1/10) (1/10)

P (012) = 1/400 ... 0.25%

Cecelia Roy · Answer 2

For the sequence of events, the probability of being assigned 012 is:

P (012) = (1/4) (1/10) (1/10)

P (012) = 1/400 (0.25%)