What is the probability that at least one computer is available? ...

[casperchen82]

What is the probability that at least one computer is available?
 
  What will be an ideal response?

Question 2

The error for the forecast that corresponds to the year 1902 is:
 
  A) 3.38
  B) -14.92
  C) 7.71
  D) 10.16

[pallen55]

Answer to Question 1

P(All computers are occupied) = (0.6 )4 = 0.1296
P(at least one computer is available ) = 1 - P(all computers are occupied)
= 1 - 0.1296 = 0.8704

Answer to Question 2

D

[casperchen82]

Wow, this really help

[Laurenleakan]

Thanks for the timely response, appreciate it