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SSSSS [86.1K]
3 years ago
8

A person rolls a standard six-sided die 9 times. In how many ways can he get 3 fours, 5 sixes, and 1 two?

Mathematics
1 answer:
marin [14]3 years ago
8 0

Answer:

There are 5040 ways he get 3 fours, 5 sixes, and 1 two.

Step-by-step explanation:

Given : A person rolls a standard six-sided die 9 times.

To find : In how many ways can he get 3 fours, 5 sixes, and 1 two?

Solution :

A person rolls a standard six-sided die 9 times.

So, total number of ways die roll is 9! ways.

In die 4 comes 3 times.

So, ways of getting 4 is 3!

In die 6 comes 5 times.

So, ways of getting 6 is 5!

In die 2 comes 1 times.

So, ways of getting 2 is 1!

Total number of ways is given by,

T=\frac{10!}{3!\times 5!\times 1!}

T=\frac{10\times 9\times 8\times 7\times 6\times 5!}{3\times 2\times 5!\times 1}

T=10\times 9\times 8\times 7\times

T=5040

Therefore, there are 5040 ways he get 3 fours, 5 sixes, and 1 two.

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