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January 30, 2015

January 30, 2015

Posted by **Kaitlyn** on Wednesday, January 20, 2010 at 10:29pm.

P(each girl chooses a different color)

P(each girl chooses the same color)

P(two girls choose the same color, and the third chooses a different color)

P(each girl chooses a red sweater)

- 7th grade -
**Jake**, Tuesday, June 1, 2010 at 6:35pm8)>>>Write a group of 3 rows for girl names and and 7 columns for colors

Each girl chooses the same color (easiest)

The only color they can choose is red.

(1/4)^3=1/64

.

9)>>>> P(two girls choose the same color, and the third chooses a different color)

for susan chooses red & another picks red: 2(1/4 * 1/4 * 3/4) =============6/64

for susan chooses red & and both others pick purple: 1/4 * 1/4 * 1/4=======1/64

for susan chooses blue & Diane picks blue: 1/4 * 1/4 * 4/4=================4/64

for susan chooses blue & and both others pick purple or red:1/4*2/4*1/4====2/64

for susan chooses green & Joanne picks green: 1/4 * 1/4 * 4/4==============4/64

for susan chooses green & and both others pick purple or red:1/4*2/4*1/4===2/64

for susan chooses yellow & and both others pick purple or red:1/4*2/4*1/4==2/64

total: 21/64

.

10)>>> For each chosing a different color.

1-22/64=42/64=21/32

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