Posted by Kaitlyn on Wednesday, January 20, 2010 at 10:29pm.
8)>>>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
8)>>>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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