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12 DHS COURT PLAY Goose Feather Shuttlecocks Badminton Ball Game |  |
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US $9.99 | 21d 14h 45m |
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6 DOZ RSL NO. 1 TOURNEY BADMINTON FEATHER SHUTTLECOCKS | |
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US $93.00 | 28d 19h 2m |
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12 Natural Feather Badminton Shuttlecocks Training practice Tournament Game Ball | |
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24 x High Grade Feather Badminton Shuttlecocks | |
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12 PCS White Goose Feather Rubber Tipped Shuttlecocks Birdies Badminton New | |
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US $8.64 | 24d 6h 19m |
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Wilson pack of 12 FEATHER Badminton Shuttlecocks fast speed | |
0 Bid | US $.99 | 15h 28m |
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48 x High Grade ADIBO Feather Badminton Shuttlecocks | |
1 Bid | US $37.00 | 15h 48m |
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Wilson pack of 12 FEATHER Badminton Shuttlecocks fast speed | |
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3 Pcs White Feather Shuttlecock Badminton Balls Game | |
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3 Pcs White Feather Shuttlecock Badminton Balls Game | |
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5 pcs Goose Feather Badminton Balls Shuttlecock Birdies White Rubber Tip Game | |
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Wilson pack of 12 FEATHER Badminton Shuttlecocks fast speed | |
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48 x High Grade ADIBO Feather Badminton Shuttlecocks | |
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US $39.95 | 3d 11h 18m |
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Wilson pack of 12 FEATHER Badminton Shuttlecocks fast speed | |
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60x High Level Feather Tactician Badminton Shuttlecocks | |
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2 DOZ RSL CLASSIC TOURNEY BADMINTON FEATHER SHUTTLECOCK | |
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US $39.00 | 28d 18h 32m |
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2 DOZEN RSL SILVER FEATHER BADMINTON SHUTTLECOCKS | |
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US $31.00 | 28d 19h 10m |
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Yonex Aerosensa 40 Badminton Feather Shuttlecocks | |
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US $38.00 | 28d 13h 34m |
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120 DHS COURT PLAY Goose Feather Shuttlecocks Badminton Ball Game Practice | |
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US $59.99 | 21d 14h 47m |
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6pc Goose Feather Shuttlecock Badminton Sport Birdies Tennis & Racquet Sports | |
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US $4.90 | 14d 16h 53m |
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US $7.84 | 7d 9h 58m |
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12 x Feather Badminton Shuttlecocks Balls For Kids Beginner Sport Game Goose | |
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2 Dozen-Duck feather Badminton Shuttlecock Boer-506 | |
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US $25.99 | 5d 3h 10m |
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US $9.99 | 28d 7h 6m |
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6 DOZ RSL TOURNEY NO.3 BADMINTON FEATHER SHUTTLECOCK | |
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US $81.00 | 6d 19h 40m |
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6 DOZ RSL TOURNEY NO.1 BADMINTON FEATHER SHUTTLECOCK | |
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US $99.00 | 6d 19h 28m |
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12 Natural Feather Badminton Shuttlecocks Training practice Tournament Game Ball | |
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US $10.58 | 16d 21h 9m |
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DHS 211 Goose Feather Badminton Shuttlecocks Tournament Grade VERY HOT! | |
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US $15.50 | 29d 4h 53m |
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badminton shuttlecock feather
Probability- items from a bag?
A grade 9 class playing badminton in the gym didn't clean up very well after they were done. When the janitor swept up, there were 12 feathered shuttlecocks and 9 plastic shuttlecocks in the pile. They were put in a bag to show to the class the next day. if the 2 shuttlecocks were pulled out of the bag without replacement, determine the probability of the following:
a) 1 plastic and then one feathered shuttlecock
b) 1 plastic and one feathered shuttlecock
c) at least one plastic shuttlecock.
The question is a little confusing to me. Not sure where to begin 
Thanks!
the possibility of just choosing two shuttlecocks out of the bag:
C(21,2)=210
a) you first have to choose one of 9,and then one of 12.it means half the probability of the second part of the question. (because when you choose one plastic and one feathered,there are 2 possibilities:1.u choose the plastic first,2.u choose the feathered one first.so picking the plastic one first has half the possibility of choosing without an order):
C(9,1)*C(12,1)/2
C(9,1)=9 C(12,1)=12 c(9,1)*c(12,1)/2=54
possibility:54/210=9/35
b) twice the possibility of the first one: 2* 9/35 =18/35
c) it means you have to add two possibilities: 1.you pick one plastic and one feathered shuttlecock. 2.you pick TWO plastic shuttlecocks.
1.it's the same as part b.=18/35
2.c(9,2)/54=36/210=6/35
1+2 = 18/35 + 6/35 = 24/35
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12 DHS COURT PLAY Goose Feather Shuttlecocks Badminton Ball Game | |
|
US $9.99 | 21d 14h 45m |
|
6 DOZ RSL NO. 1 TOURNEY BADMINTON FEATHER SHUTTLECOCKS | |
|
US $93.00 | 28d 19h 2m |
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12 Natural Feather Badminton Shuttlecocks Training practice Tournament Game Ball | |
0 Bid | US $1.07 | 5h 24m |
|
5 pcs Goose Feather Badminton Balls Shuttlecock Birdies White Rubber Tip Game | |
0 Bid | US $.99 | 8h 11m |
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24 x High Grade Feather Badminton Shuttlecocks | |
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US $22.00 | 12h 41m |
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12 PCS White Goose Feather Rubber Tipped Shuttlecocks Birdies Badminton New | |
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US $8.64 | 24d 6h 19m |
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Wilson pack of 12 FEATHER Badminton Shuttlecocks fast speed | |
0 Bid | US $.99 | 15h 28m |
|
48 x High Grade ADIBO Feather Badminton Shuttlecocks | |
1 Bid | US $37.00 | 15h 48m |
|
Wilson pack of 12 FEATHER Badminton Shuttlecocks fast speed | |
0 Bid | US $.99 | 1d 15h 36m |
|
3 Pcs White Feather Shuttlecock Badminton Balls Game | |
0 Bid | US $1.07 | 1d 23h 29m |
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3 Pcs White Feather Shuttlecock Badminton Balls Game | |
0 Bid | US $.99 | 2d 1h 31m |
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5 pcs Goose Feather Badminton Balls Shuttlecock Birdies White Rubber Tip Game | |
0 Bid | US $.99 | 2d 8h 10m |
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Wilson pack of 12 FEATHER Badminton Shuttlecocks fast speed | |
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US $14.99 | 23d 12h 15m |
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48 x High Grade ADIBO Feather Badminton Shuttlecocks | |
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US $39.95 | 3d 11h 18m |
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Wilson pack of 12 FEATHER Badminton Shuttlecocks fast speed | |
0 Bid | US $.99 | 2d 15h 49m |
|
60x High Level Feather Tactician Badminton Shuttlecocks | |
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US $49.95 | 29d 7h 1m |
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2 DOZ RSL CLASSIC TOURNEY BADMINTON FEATHER SHUTTLECOCK | |
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US $39.00 | 28d 18h 32m |
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2 DOZEN RSL SILVER FEATHER BADMINTON SHUTTLECOCKS | |
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US $31.00 | 28d 19h 10m |
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Yonex Aerosensa 40 Badminton Feather Shuttlecocks | |
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US $38.00 | 28d 13h 34m |
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120 DHS COURT PLAY Goose Feather Shuttlecocks Badminton Ball Game Practice | |
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US $59.99 | 21d 14h 47m |
|
6pc Goose Feather Shuttlecock Badminton Sport Birdies Tennis & Racquet Sports | |
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US $4.90 | 14d 16h 53m |
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12pcs Sport Playing Game Goose Feather Badminton Shuttlecocks Balls For Kids | |
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US $7.84 | 7d 9h 58m |
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12 x Feather Badminton Shuttlecocks Balls For Kids Beginner Sport Game Goose | |
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US $7.89 | 17d 9h 16m |
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1 Doz of High Grade Feather Badminton Shuttlecocks | |
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US $12.00 | 2d 10h 35m |
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2 Dozen-Duck feather Badminton Shuttlecock Boer-506 | |
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US $25.99 | 5d 3h 10m |
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Tube of 12 Badminton Feather Shuttlecocks (Birdie) | |
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US $9.99 | 28d 7h 6m |
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6 DOZ RSL TOURNEY NO.3 BADMINTON FEATHER SHUTTLECOCK | |
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US $81.00 | 6d 19h 40m |
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6 DOZ RSL TOURNEY NO.1 BADMINTON FEATHER SHUTTLECOCK | |
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US $99.00 | 6d 19h 28m |
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12 Natural Feather Badminton Shuttlecocks Training practice Tournament Game Ball | |
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US $10.58 | 16d 21h 9m |
|
DHS 211 Goose Feather Badminton Shuttlecocks Tournament Grade VERY HOT! | |
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US $15.50 | 29d 4h 53m |
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4 Doz Tournament Grade Feather Badminton Shuttlecocks | |
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US $56.00 | 29d 4h 45m |
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12pics Feather Badminton Shuttlecock Practise No.3 | |
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US $11.40 | 26d 7h 18m |
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3 Pcs White Goose Feather Sports Badminton Shuttlecock | |
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US $5.96 | 28d 18h 34m |
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Yonex Aerosensa 30 Badminton Feather Shuttlecocks | |
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US $35.00 | 28d 13h 44m |
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Set of 3Pcs White Goose Feather Badminton Shuttlecock | |
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US $7.73 | 27d 20h 54m |
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3 Pcs White Goose Feather Sports Badminton Shuttlecock | |
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US $6.18 | 27d 13h 7m |
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12 x Feather Badminton Shuttlecock Ball White for Kids | |
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2 pcs red and green LED White Badminton Feather Shuttlecocks Birdies YM001 | |
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4 Dazen-duck feather Badminton Shuttlecock Boer-501 | |
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2pc Badminton Shuttlecock LED Birdies Feather Flash Light Night Lighting NEW | |
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US $6.15 | 25d 1h 54m |
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US $4.34 | 26d 16h 56m |
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New 1 Doz. Badminton Shuttlecock Dazen-duck Feather N8 | |
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US $4.51 | 25d 15h 44m |
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US $.99 | 28d 7h 21m |
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2 DOZ RSL TOURNEY NO.1 BADMINTON FEATHER SHUTTLECOCK | |
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US $35.00 | 6d 19h |
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Li-Ning Phoenix Replaceable Feather Shuttlecock
Where to buy badminton shuttlecocks in Boston area?
I need to buy badminton shuttlecocks (hopefully made by feather). Does anybody know where to buy in Boston area? I live in cambridge.
Also, recommendation a couple of online sites to buy. Thanks.
do to scheels or dicks sporting goods.
