A community for students.
Here's the question you clicked on:
 0 viewing
Sonikay
 3 years ago
To use a school copier, a 4 digit code using the digits 09 must be entered. If each code cannot begin with the number 0 and there are 81 acceptable codes, what is the probability that someone will randomly select a usable code?
Sonikay
 3 years ago
To use a school copier, a 4 digit code using the digits 09 must be entered. If each code cannot begin with the number 0 and there are 81 acceptable codes, what is the probability that someone will randomly select a usable code?

This Question is Closed

philips13
 3 years ago
Best ResponseYou've already chosen the best response.1how many four digit numbers are there?

philips13
 3 years ago
Best ResponseYou've already chosen the best response.1number acceptable  will be the answer total number

philips13
 3 years ago
Best ResponseYou've already chosen the best response.1sure it does... use four digits, 0 to 9.... how many possible codes are there?

philips13
 3 years ago
Best ResponseYou've already chosen the best response.1let's see... 0000 0001 0002 0003 0004 ... 9999 so there are how many possible codes?

philips13
 3 years ago
Best ResponseYou've already chosen the best response.1that looks right to me

philips13
 3 years ago
Best ResponseYou've already chosen the best response.1probability questions usually boil down to number of good ways / number of all the ways
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.