You pick 7 digits (0-9) at random without replacement, and write them in the order picked. What is the probability that you have written the first 7 digits of your phone number? Assume there are no repeats of digits in your phone number. Give your answer as a fraction. 10!(10−7)!Incorrect
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To find the probability that the 7 digits you pick at random without replacement match the first 7 digits of your phone number, we can follow these steps: ** Show more…
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You pick 7 digits (0-9) at random without replacement, and write them in the order picked. What is the probability that you have written the first 7 digits of your phone number? Assume there are no repeats of digits in your phone number. Give your answer as a fraction.
Cheng Z.
Manisha S.
Karl Z.
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