Which letter is likely to be worth more: one penned by
Lincoln or one written by...
Which letter is likely to be worth more: one penned by
Lincoln or one written by his assassin, John Wilkes Booth? Lincoln
is one of the greatest presidents, and many people collect anything
he wrote. The demand for letters written by Lincoln surely would
seem to be much greater than the demand for letters written by
Booth. Yet, when R.M. Smythe and Co. auctioned off on the same day
a letter written by Lincoln and a letter written by Booth,...
A computer password consists of: • letters {a, A, 6, B,
...,2,Z}, • digits {0, 1,...,9),...
A computer password consists of: • letters {a, A, 6, B,
...,2,Z}, • digits {0, 1,...,9), or = 16 • special characters
{!,@,#,$,%}. In addition, a password must • contain at least one
upper case letter, • contain at least one special character. How
many passwords of length 8 are possible?
A computer password consists of six characters.
36a. How many different passwords are possible if each...
A computer password consists of six characters.
36a. How many different passwords are possible if each character
may be any lowercase letter or digit, and at least one character
must be a digit? Please enter your result in scientific notation,
making sure the answer in the left box is between 1 and 10.
36b. A computer system requires that passwords contain at least
one digit. If six characters are generated at random, and each is
equally likely to be any...