SOLUTION: A test consists of 10 true-or-false questions. If a student randomly chooses answers for each question, fin the probability that the student: Answers at least 1 question correc

Algebra ->  Permutations -> SOLUTION: A test consists of 10 true-or-false questions. If a student randomly chooses answers for each question, fin the probability that the student: Answers at least 1 question correc      Log On


   

Question 369402: A test consists of 10 true-or-false questions. If a student randomly chooses answers for each question, fin the probability that the student:
Answers at least 1 question correctly. (3 decimals)
I got 2^10 = 1,024
I did this way, but does not work, very close...
C(10,1)/1024 =
10/1024 = .00976

The answer is 0.999 but how?









Answer by tanmike(1) About Me  (Show Source):
You can put this solution on YOUR website!
bob is cool.::0=)