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The 7 dwarves only have 4 beds, so 3 dwarves sleep on the floor. How many different ways can 4 dwarves be chosen to sleep on the beds? A. 7 B. 42 C. 70 D. 35
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1 vote
The 7 dwarves only have 4 beds, so 3 dwarves sleep on the floor. How many different ways can 4 dwarves be chosen to sleep on the beds?

A.
7
B.
42
C.
70
D.
35

User Starrr
by
6.5k points

2 Answers

6 votes
Answer is 35. Basic probability. Non-Distinguishable items. 7pick4. 7*6*5*4/4! = 35.
User Jon Benedicto
by
5.1k points
6 votes

Answer:

c 70 chosen to sleep on the bed

User Kush
by
4.5k points
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