I think this might be asking for the value of the 14th term of the expansion (p + q)17, where p = 0.15 and q = 0.85.
$${\left({\frac{{\mathtt{17}}{!}}{{\mathtt{3}}{!}{\mathtt{\,\times\,}}({\mathtt{17}}{\mathtt{\,-\,}}{\mathtt{3}}){!}}}\right)}{\mathtt{\,\times\,}}{{\mathtt{0.15}}}^{{\mathtt{3}}}{\mathtt{\,\times\,}}{{\mathtt{0.85}}}^{\left({\mathtt{17}}{\mathtt{\,-\,}}{\mathtt{3}}\right)} = {\mathtt{0.235\: \!856\: \!391\: \!573\: \!379\: \!6}}$$
I think this might be asking for the value of the 14th term of the expansion (p + q)17, where p = 0.15 and q = 0.85.
$${\left({\frac{{\mathtt{17}}{!}}{{\mathtt{3}}{!}{\mathtt{\,\times\,}}({\mathtt{17}}{\mathtt{\,-\,}}{\mathtt{3}}){!}}}\right)}{\mathtt{\,\times\,}}{{\mathtt{0.15}}}^{{\mathtt{3}}}{\mathtt{\,\times\,}}{{\mathtt{0.85}}}^{\left({\mathtt{17}}{\mathtt{\,-\,}}{\mathtt{3}}\right)} = {\mathtt{0.235\: \!856\: \!391\: \!573\: \!379\: \!6}}$$