SOLUTION: Thank you so much for helping me out!! My question is: An admissions test given by a university contains 10 true/false questions. 8 or more must be answered correctly in order

Question 456806: Thank you so much for helping me out!! My question is:
An admissions test given by a university contains 10 true/false questions. 8 or more must be answered correctly in order to be admitted.
a) How many different ways can the answer sheet be filled out?
b) How many different ways can the answer sheet be filled out so that 8 or more questions are answered correctly?
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
a) 2^10=1024 ways
.
b)
10C10+10C9+10C8
=1+10+45
=56ways
.
Ed
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