#$&*
course mth 152
9/15 11
question 11.4.6 Find C(9,6) on Pascal's triangle.
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Your Solution:
C(9,6) = 9! / ( 6! (6-3)! ) = 9*8*7 / (3*2*1) = 3 * 4 * 7 = 84 does agree with the number in the n = 9 row and the r = 6 position
3
Ok
question 11.4.18 clueless check of four of nine possible classrooms.
How many of the possible selections will fail to locate the classroom?
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Your Solution:
56 / 126, a little less than 50%
3
Ok
question 11.4.31 /& 30 What sequence by totaling diagonals of Pascal's Triangle?
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Your Solution:
1
1
1 + 1 = 2
1 + 2 = 3
1 + 3 + 1 = 5
3
Ok
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