Strings Set

Strings Set
Strings Set

Pick a bit string from the set of all bit strings of length ten?

What is the probability that the bit string has the sum of its digits equal to seven?

10C7 / 2^10 = 120/1024 = 15/128 or 11.7%.

The numerator is the count of all 10-bit strings with a sum of 7, or, equivalently, the count of all 7-element subsets of a 10-element set. The denominator is the count of all 10-bit strings, that's easy. Divide them to get the probability ;-)

NEW 11 PCS KIDS DRUM SET ELECTRIC GUITAR MUSICAL TOY CHILDREND PLAYSET BLUE NEW 11 PCS KIDS DRUM SET ELECTRIC GUITAR MUSICAL TOY CHILDREND PLAYSET BLUE US $42.95 15m
Sexy Lingerie ¼ˆ4pcs1set¼‰ Purple Corset Badydoll Dress G string stockings Q65 Sexy Lingerie ¼ˆ4pcs1set¼‰ Purple Corset Badydoll Dress G string stockings Q65 US $.99 15m
Axiotron Modbook Mac 4gb RAM 500 gb HD Wi Fi OS X Leopard w System Discs Axiotron Modbook Mac 4gb RAM 500 gb HD Wi Fi OS X Leopard w System Discs US $1,500.00 15m
1984 1988 Nissan 200SX Stanza Bendix Front Pads 1984 1988 Nissan 200SX Stanza Bendix Front Pads US $23.93 15m
Nikon 105 mm Ai Lens Nikon 105 mm Ai Lens US $102.50 15m
Throwin Daps Black w Yellow Crystal Macrame Hematite Disco Ball Bracelet 10mm Throwin Daps Black w Yellow Crystal Macrame Hematite Disco Ball Bracelet 10mm US $8.95 15m
2011 New Design Hot Retro Style Chromatic Owl Pendant Necklace 5042 2011 New Design Hot Retro Style Chromatic Owl Pendant Necklace 5042 US $1.33 15m
Apple iPhone 4S Latest Model 32GB Black ATT Smartphone Apple iPhone 4S Latest Model 32GB Black ATT Smartphone US $543.00 15m
Beck Arnley 072 9014 New Master Cylinder Beck Arnley 072 9014 New Master Cylinder US $138.06 15m
Beck Arnley 082 1246 Front Premium Organic Pads Beck Arnley 082 1246 Front Premium Organic Pads US $23.02 15m
Beck Arnley 082 1497 Rear Premium Organic Pads Beck Arnley 082 1497 Rear Premium Organic Pads US $27.26 15m
dermalogica AGE Smart POWER RICH 15 oz 5 Tubes Brand New Sealed dermalogica AGE Smart POWER RICH 15 oz 5 Tubes Brand New Sealed US $64.99 15m
UNCIRCULATED 2002 GREECE 1 EURO CENTS SHIP COIN UNCIRCULATED 2002 GREECE 1 EURO CENTS SHIP COIN US $1.71 15m
Beck Arnley 073 1732 Front Brake Hose Beck Arnley 073 1732 Front Brake Hose US $31.06 15m
Minolta Maxxum HTsi Plus SLR Film Camera With 2 Lenses and Bag Minolta Maxxum HTsi Plus SLR Film Camera With 2 Lenses and Bag US $33.00 15m
Beck Arnley 077 1672S Front Right Rebuilt Caliper With Hardware Beck Arnley 077 1672S Front Right Rebuilt Caliper With Hardware US $147.64 15m
Beck Arnley 082 1471 Front Premium Organic Pads Beck Arnley 082 1471 Front Premium Organic Pads US $25.86 15m
Beck Arnley 073 1500 Front Brake Hose Beck Arnley 073 1500 Front Brake Hose US $24.71 15m
Beck Arnley 083 2525 Front Disc Brake Rotor Beck Arnley 083 2525 Front Disc Brake Rotor US $43.19 15m
New Sexy pink lovely lingerie Spots dressstockinggarterG strings Q78 New Sexy pink lovely lingerie Spots dressstockinggarterG strings Q78 US $.99 15m
Beck Arnley 072 9265 Rear Left Wheel Cylinder Beck Arnley 072 9265 Rear Left Wheel Cylinder US $27.25 15m
Beck Arnley 082 1472 Front Premium Organic Pads Beck Arnley 082 1472 Front Premium Organic Pads US $28.72 15m
Beck Arnley 073 1501 Rear Brake Hose Beck Arnley 073 1501 Rear Brake Hose US $16.46 15m
Beck Arnley 073 1502 Rear Brake Hose Beck Arnley 073 1502 Rear Brake Hose US $30.05 15m
Beck Arnley 077 1588S Rear Right Rebuilt Caliper With Hardware Beck Arnley 077 1588S Rear Right Rebuilt Caliper With Hardware US $136.19 15m
Beck Arnley 082 1473 Rear Premium Organic Pads Beck Arnley 082 1473 Rear Premium Organic Pads US $26.00 15m
Beck Arnley 072 9568 New Master Cylinder Beck Arnley 072 9568 New Master Cylinder US $108.67 15m
Windows 7 DELL Notebook Laptop Computer with Warranty 20 GHz Intel Core 2 Duo Windows 7 DELL Notebook Laptop Computer with Warranty 20 GHz Intel Core 2 Duo US $199.99 15m
Beck Arnley 073 1737 Rear Brake Hose Beck Arnley 073 1737 Rear Brake Hose US $14.82 15m
Beck Arnley 077 1541S Front Left Rebuilt Caliper With Hardware Beck Arnley 077 1541S Front Left Rebuilt Caliper With Hardware US $101.89 15m
Beck Arnley 073 1509 Rear Brake Hose Beck Arnley 073 1509 Rear Brake Hose US $18.30 15m
Beck Arnley 082 1475 Front Premium Organic Pads Beck Arnley 082 1475 Front Premium Organic Pads US $27.91 15m
92 95 Mazda 929 Right Valve Cover Gasket 92 95 Mazda 929 Right Valve Cover Gasket US $12.60 15m
Mendini Violin Package in 7 Finishes 8 Sizes Book DVD CaseBowShoulderRest Mendini Violin Package in 7 Finishes 8 Sizes Book DVD CaseBowShoulderRest US $58.99 15m
Beck Arnley 072 9280 Rear Wheel Cylinder Beck Arnley 072 9280 Rear Wheel Cylinder US $31.34 15m
Beck Arnley 073 1720 Front Brake Hose Beck Arnley 073 1720 Front Brake Hose US $28.97 15m
Beck Arnley 082 1541 Front Premium Organic Pads Beck Arnley 082 1541 Front Premium Organic Pads US $23.28 15m
Beck Arnley 072 9561 Rear Left Wheel Cylinder Beck Arnley 072 9561 Rear Left Wheel Cylinder US $20.38 15m
Beck Arnley 072 9266 Rear Right Wheel Cylinder Beck Arnley 072 9266 Rear Right Wheel Cylinder US $27.34 15m
Beck Arnley 082 1493 Front Premium Organic Pads Beck Arnley 082 1493 Front Premium Organic Pads US $35.61 15m
Apple iPod nano 2nd Generation Pink 4 GB Apple iPod nano 2nd Generation Pink 4 GB US $20.50 15m
Beck Arnley 082 1482 Front Premium Organic Pads Beck Arnley 082 1482 Front Premium Organic Pads US $29.21 15m
Beck Arnley 082 1483 Rear Premium Organic Pads Beck Arnley 082 1483 Rear Premium Organic Pads US $29.43 15m
Beck Arnley 082 1495 Front Premium Organic Pads Beck Arnley 082 1495 Front Premium Organic Pads US $39.77 15m
NEW MOTOROLA V3 RAZR ATT BLACK PHONE NEW MOTOROLA V3 RAZR ATT BLACK PHONE US $58.95 15m
Beck Arnley 082 1496 Rear Premium Organic Pads Beck Arnley 082 1496 Rear Premium Organic Pads US $33.51 15m
Beck Arnley 073 1731 Front Brake Hose Beck Arnley 073 1731 Front Brake Hose US $27.69 15m
Beck Arnley 073 1722 Front Brake Hose Beck Arnley 073 1722 Front Brake Hose US $41.21 15m
Beck Arnley 073 1723 Front Brake Hose Beck Arnley 073 1723 Front Brake Hose US $43.82 15m
2 CLI 8 PM Ink jet Cartridge for Canon PIXMA 9000 MARK II iP6600D iP6700D MP950 2 CLI 8 PM Ink jet Cartridge for Canon PIXMA 9000 MARK II iP6600D iP6700D MP950 US $6.67 15m
Apple iPod nano 1st Generation silver 4 GB Apple iPod nano 1st Generation silver 4 GB US $11.48 15m
New Brown Embroidered Sissy String Bikini Panties 1X 8 New Brown Embroidered Sissy String Bikini Panties 1X 8 US $6.95 15m
Verizon Apple iPhone 4S 16GB Smartphone Cell Phone No Contract Camera CDMA Verizon Apple iPhone 4S 16GB Smartphone Cell Phone No Contract Camera CDMA US $559.99 16m
5PC Sexy Sheer Lace Costume Maid Lingerie mini dress Q69 5PC Sexy Sheer Lace Costume Maid Lingerie mini dress Q69 US $.99 16m
Beck Arnley 052 4010 Front Crankshaft Seal Beck Arnley 052 4010 Front Crankshaft Seal US $12.30 16m
Beck Arnley 082 1547 Front Premium Organic Pads Beck Arnley 082 1547 Front Premium Organic Pads US $31.66 16m
Sexycute blue Lingerie babydoll sleep dress G string Q29 Sexycute blue Lingerie babydoll sleep dress G string Q29 US $.99 16m
Beck Arnley 072 9345 New Master Cylinder Beck Arnley 072 9345 New Master Cylinder US $100.38 16m
Beck Arnley 073 1816 Rear Brake Hose Beck Arnley 073 1816 Rear Brake Hose US $23.84 16m
Beck Arnley 073 1821 Front Brake Hose Beck Arnley 073 1821 Front Brake Hose US $25.12 16m
Beck Arnley 072 9582 New Master Cylinder Beck Arnley 072 9582 New Master Cylinder US $90.36 16m
Beck Arnley 072 9338 Rear Wheel Cylinder Beck Arnley 072 9338 Rear Wheel Cylinder US $25.94 16m
Beck Arnley 082 1549 Front Premium Organic Pads Beck Arnley 082 1549 Front Premium Organic Pads US $43.53 16m
18K White Gold Plated Use Swarovski Crystal Emulational Diamond wedding Ring Sz8 18K White Gold Plated Use Swarovski Crystal Emulational Diamond wedding Ring Sz8 US $.01 16m
Beck Arnley 073 0974 Rear Brake Hose Beck Arnley 073 0974 Rear Brake Hose US $17.47 16m
Beck Arnley 072 9340 New Master Cylinder Beck Arnley 072 9340 New Master Cylinder US $88.24 16m
Beck Arnley 052 4005 Camshaft Seal Beck Arnley 052 4005 Camshaft Seal US $11.98 16m
Black Diamond Violin String Set 4 4 7207 Black Diamond Violin String Set 4 4 7207 US $17.50 16m
Beck Arnley 077 1134S Rear Right Rebuilt Caliper With Hardware Beck Arnley 077 1134S Rear Right Rebuilt Caliper With Hardware US $148.21 16m
Beck Arnley 073 1828 Front Brake Hose Beck Arnley 073 1828 Front Brake Hose US $23.80 16m
Beck Arnley 072 9575 New Master Cylinder Beck Arnley 072 9575 New Master Cylinder US $101.90 16m
Beck Arnley 082 1554 Front Premium Organic Pads Beck Arnley 082 1554 Front Premium Organic Pads US $35.75 16m
Beck Arnley 082 1578 Front Premium Organic Pads Beck Arnley 082 1578 Front Premium Organic Pads US $42.86 16m

Leave a comment

Your comment