perfect case for a Venn diagram solution
draw 3 intersecting circles, and fill in the data
add up all the entries,
100 - (above sum) is the number who don't read any of the three
A survey asks people about their reading habits with respect to three newspapers. The results
show that 56% read newspaper A, 33% read newspaper B, and 27% read newspapers C. 7% of the
respondents read newspapers A and B, 8% of the respondents read newspapers B and C, 11% of
the respondents read newspapers A and C, 2% of the respondents read newspapers A, B, and C.
What is the percentage of people reading none of the newspapers?
1 answer
1 answer