Question

An administrative assistant has 4 blue file folders, 3 red
folders, and 3 yellow folders on her desk. Each folder contains different
information, so two folders of the same color should be viewed as being
different. She puts the file folders randomly in a box to be taken to a
meeting. Find each probability.
1. P(4 blue, 3 red, 3 yellow, in that order)
2. P(first 2 blue, last 2 blue)

Answer 1

where are you stuck?

Answer 2

all

Answer 3

do you know how many ways you can arrange the 10 folders?

Answer 4

1) 4!3!3! ?

Answer 5

that is actually the numerator to the first problem :)

Answer 6

1) 4!3!3! M'I corect ?

Answer 7

what is the denominator?

Answer 8

10

Answer 9

10!

Answer 10

\[\frac{4!3!3!}{10!}\]

Answer 11

for frist one?

Answer 12

yes

Answer 13

how second?

Answer 14

same experiment so 10! is still the denominator

Answer 15

you have 4 choices for the first blue,3 for the second 2 for the second to last spot and 1 for the very last spot and 6! for the middle

so 4!6!

\[\frac{4!6!}{10!}\]

Answer 16

great ,Thank you

Answer 17

np