A community for students.
Here's the question you clicked on:
 0 viewing
 2 years ago
A password question.
A password is to consist of 10 alphanumeric characters and must include
at least one lower case letter, at least one upper case letter, and at least
one digit.
(a) How many such passwords are possible?
(b) How many are possible if the password must contain at least one
lower case letter, at least one upper case letter, and at least one
digit which is immediately preceded by a letter?
 2 years ago
A password question. A password is to consist of 10 alphanumeric characters and must include at least one lower case letter, at least one upper case letter, and at least one digit. (a) How many such passwords are possible? (b) How many are possible if the password must contain at least one lower case letter, at least one upper case letter, and at least one digit which is immediately preceded by a letter?

This Question is Closed

cinar
 2 years ago
Best ResponseYou've already chosen the best response.0I guess I solved the first one. 62^10 all possibility ( no number+ no U letter+ no L letter)

cinar
 2 years ago
Best ResponseYou've already chosen the best response.0(no numbers= L+U, no U= L+N, no L= N+U)

cinar
 2 years ago
Best ResponseYou've already chosen the best response.0so answer seems 62^10(52^10+36^10+30^10)
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.