Posted by barbie on Friday, June 15, 2012 at 7:46pm.
if replacement, then events independent
10 buttons both times
p silver = 5/10 = .5
p gold = 3/10 = .3
.3 * .5 = .15
Related Questions
Maths- Probabilty - 1. From a bag containing 5 gold and 3 red marbles that feel ...
chemistry - silver has density of 10.5 g/cm3 and gold has a density of 193.g/cm3...
math - An arcade uses 3 different colored tokens for their game machines. For $...
math - peter has 3 different kinds of buttons in one box. there are 124 more ...
Physics(class) /Math (problem) - Joe has a ring weighing 16 grams made of an ...
math - justine has 162 red buttons,98 blue buttons,and 284 green buttons. she ...
Science - What time of reactions is Silver + gold(III)> silver nitrate + ...
math - Marnie collects red, blue and purple buttons. At the beginning of the ...
math - Tammy had 900 red and blue buttons in a big box. 30% of them were blue ...
algebra - Joe has a ring weighing 15 grams made of an alloy of 20 silver and the...
For Further Reading
