A computer system for an organization generates four-letter ...

[nramada]

A computer system for an organization generates four-letter temporary passwords. The total number of passwords that the system can generate is ________.
 
  A) 14,950
  B) 358,800
  C) 456,976
  D) none of the above

Question 2

Assume that the number of pieces of junk mail per day that a person receives in their mail box follows the Poisson distribution and averages 4.3 pieces per day.
 
  What is the probability that this person will receive one or two pieces of junk mail tomorrow?A) 0.1065
  B) 0.1227
  C) 0.1838
  D) 0.2369

[sultana.d]

Answer to Question 1

C

Answer to Question 2

C

[nramada]

Wow, this really help

[mochi09]

Thanks for the timely response, appreciate it