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(c) {:[E(x)=np=22 xx0.63=13.86],[v(x)=npq=22 xx0.63 xx0.37=5.1282],[" S.D.(x) "=sqrt(V(x))=sqrt5.1282=2.2646]:}{:[p=63%=(63)/(100)=0.63=>q=1-0.63],[n=22]:}By binomial distribution,P(x=x)=^(n)c_(x)*p^(x)*q^(n-x)(a){:[P(x=15)=^(22)C_(15)*(0.63)^(15)*(0.37)^(7)],[=1 ... See the full answer