mkleinert3248 mkleinert3248
  • 01-07-2017
  • Mathematics
contestada

A bag of coins contain 2 quarters, 3 dimes and 4 pennies probability drawing a dime and then quarter without replacements

Respuesta :

texaschic101
texaschic101 texaschic101
  • 01-07-2017
2 quarters, 3 dimes, 4 pennies...total of 9 coins

probability of first drawing a dime = 3/9 reduces to 1/3
without replacement (means u have only 8 coins now)
probability of then drawing a quarter = 2/8 reduces to 1/4

probability of both : 1/3 * 1/4 = 1/12 or 8.3%
Answer Link

Otras preguntas

9 to the x-5 power=27
Give an example of oxidation reaction which can be a nuisance
what is the theory that tax cuts can raise supply called
How do you derive the drift velocity equation (I = nAve)?
K stands for a whole number. K + 7 is greater than 100 K - 7 is less than 90 Write all the numbers that k could be. Please help me
You just priced what it would cost to buy vinyl floor tiles at the local tile store. They quoted you $3.29 per tile. When you went home you found the same exact
How do round, spiral, and rod-shaped bacteria look like?
How many $0.21 pencils can be purchased for $7.00? Show your work.
who do scholars believe first wrote Beowulf
the ratio of boys to girls at the movie is 4:7. If there are 21 girls, how many boys are at the movie?