Four quilters are preparing patches for a quilt. When finished, the quilt will contain 200 patches. The quilters’ contributions thus far are in the table below.

Question

Four quilters are preparing patches for a quilt.  When finished, the quilt will contain 200 patches.  The quilters’ contributions thus far are in the table below.

Name     Number if patches
Lia         65
Brian       17
Elle         88
len           6

Find the probability that a randomly chosen patch:
1. Will have been sewn by Elle?
2.  Will not have been sewn by Lia?
3. Will have been sewn by Brian or Len?

drwls · Answer

Add up the number of patches. The compute the fraction done by each... (or not done, if that is what they ask for)