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Anyone know how to do the problems below...

1)

There are 5 rotten plms in a crate of 25 plums. How many samples of 4 of the 25 plums contain

A) Only good plums?

B) Three good plums and 1 rotten plum?

C) One or more rotten plums

2)

An admission test given by a University contains 10 True-false questions. Eight or more of the questions 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?

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# Homework Help: Anyone know how to do these?

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