Saturday

April 19, 2014

April 19, 2014

Posted by **Lorna** on Sunday, November 25, 2012 at 8:41am.

- Probability -
**Writeacher**, Sunday, November 25, 2012 at 8:48amYou'll get better results if you follow directions and put the SCHOOL SUBJECT in that box, not the name of your school.

- Greenhill -
**Reiny**, Sunday, November 25, 2012 at 12:28pma) could be either RR or GG

prob(RR = (11/16)(10/15) = 11/24

prob(GG) = (4/16)(3/15) = 9/20

prob(2 same colour) = 11/24 + 9/20 = 109/120

prob (one purple , one none) = (1/16)(15/15) + 15/16)(1/15) = 1/8

prob(NOT a purple) = 1 - 1/8 = 7/8

**Related Questions**

math - Bari has 180 Mardi Gras beads. 2/3 of the beads are green. 40% of the ...

math - Bari has 180 Mardi Gras beads. 2/3 of the beads are green. 40% of the ...

statistics - a pouch contains 97 green beads 72 red beads and 7 yellow beads. ...

statistics - A pouch contains 59 green beads 78 red beads an 50 yellow beads how...

Math - Kira has 16 red beads, and she has 8 fewer yellow beads than red beads. ...

maths - Bag A contains 6 white beads and 3 black beads. Bag B contains 6 white ...

math - mary has 108 red beads and 90 green beads she wants to use all the beads...

Math - The ratio of Maya's beads to Kayla's beads was12:7. After Maya bought ...

Math - cameron is making bead necklaces. he has 90 green beads and 108 blue ...

algebra - The number of red beads sheila has is four times as many as the number...