subject
Mathematics, 05.07.2021 06:50 lemoinedegraw

A computer system uses passwords that consist of 4 letters followed by an even digit. (a) How many passwords are possible? Write S.
(b) How many passwords consist of 3X’s and Y’s and end in a single digit? Write S.
(c) If any forget password but remember that it has the characteristics described in part (b) what is the chance that one will guess the password correctly on the first attempt?

ansver
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 18:50, abbieT6943
Find the greatest common factor of the followig monomials 21u^5v,3u^4v^6, and 3u^2v^5
Answers: 1
image
Mathematics, 21.06.2019 19:30, kelseybell2707
If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).
Answers: 1
image
Mathematics, 21.06.2019 20:30, Chloe1414
For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)
Answers: 1
image
Mathematics, 21.06.2019 22:30, edgartorres5123
What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.
Answers: 1
You know the right answer?
A computer system uses passwords that consist of 4 letters followed by an even digit. (a) How many...

Questions in other subjects: