Answer in Statistics and Probability for Kikay #251535
October 25th, 2022
“N(U)=250, N(M)=145, N(F)=90, N(E)=88,”
“N(Mcap F)=25, N(Mcap E)=59, N(Fcap E)=38,”
“N(Mcap Fcap E)=15”
“N(Mcup Fcup E)=N(M)+N(F)+N(E)”
“-N(Mcap F)-N(Mcap E)-N(Fcap E)”
“+N(Mcap Fcap E)=145+90+88”
“-25-59-38+15=216”
“N(overline{Mcup Fcup E})=N(U)-N(Mcup Fcup E)”
“=250-216=34”
34 students did not take any of the three subjects.