Friday

January 30, 2015

January 30, 2015

Posted by **kali** on Wednesday, February 24, 2010 at 9:36pm.

a) If you draw one jelly bean out of the bag, find the probability that it is black.

-------60/300= 1/5

b) If you add 60 black jelly beans to the original bag and draw out a bean, what is the probability that it is black?

-------120/360= 1/3

c) How many black beans do you need to add to the original bag to double the original probability of drawing a black bean?

d) Write an equation that represents the problem in part (c).

I GOT A AND B JUST NEED C AND D PLEASE?(:

**Answer this Question**

**Related Questions**

algebra - You have a bag with 60 black jelly beans and 240 red ones. a) If you ...

Math - A box has 8 blue and 5 green jelly beans. A bag has 6 blue and 8 green ...

math - one bag of jelly beans contains 14 red jelly beans. how many red jelly ...

Probability - A jar contains four red, four yellow, and three green jelly beans...

statistics - Four jelly beans are selected, one at a time from a bowl containing...

math - if jay eats 1/3 of jelly beans and jack 1/4 of the jelly bean leveing ...

math - mr. lee had a bag of red beans and a bag of black beans. 20% of the total...

math - The ratio of red jelly beans to yellow jelly beans in a dish is 2:3. If I...

Math - The ratio of red jelly beans to yellow jelly beans in a dish is 3:4. if ...

math-Probablity - Hi, just a few stupid questions about probability. 1. How many...