Question Number 45645 by byaw last updated on 15/Oct/18
Answered by MJS last updated on 15/Oct/18
$$\left\{\underset{\mathrm{1}} {\mathrm{1}},\:\underset{\mathrm{2}} {\mathrm{2}},\:\underset{\mathrm{2}} {\mathrm{3}},\:\underset{\mathrm{3}} {\mathrm{4}},\:\underset{\mathrm{2}} {\mathrm{5}},\:\underset{\mathrm{4}} {\mathrm{6}},\:\underset{\mathrm{2}} {\mathrm{8}},\:\underset{\mathrm{1}} {\mathrm{9}},\:\underset{\mathrm{2}} {\mathrm{10}},\:\underset{\mathrm{4}} {\mathrm{12}},\:\underset{\mathrm{2}} {\mathrm{15}},\:\underset{\mathrm{1}} {\mathrm{16}},\:\underset{\mathrm{2}} {\mathrm{18}},\:\underset{\mathrm{2}} {\mathrm{20}},\:\underset{\mathrm{2}} {\mathrm{24}},\:\underset{\mathrm{1}} {\mathrm{25}},\:\underset{\mathrm{2}} {\mathrm{30}},\:\underset{\mathrm{1}} {\mathrm{36}}\right\} \\ $$$$\left({b}\right)\:\:\frac{\mathrm{6}}{\mathrm{36}}=\frac{\mathrm{1}}{\mathrm{6}} \\ $$$$\left({c}\right)\:\:\mathrm{what}\:\mathrm{does}\:\mathrm{this}\:\mathrm{mean}\:“\mathrm{a}\:\mathrm{sum}\:\mathrm{of}\:\mathrm{two}−\mathrm{digit} \\ $$$$\:\:\:\:\:\:\:\:\mathrm{product}\:\mathrm{less}\:\mathrm{than}\:\mathrm{8}''?\:\mathrm{a}\:\mathrm{two}−\mathrm{digit}\:\mathrm{product} \\ $$$$\:\:\:\:\:\:\:\:\mathrm{is}\:\geqslant\mathrm{10}…\:\mathrm{if}\:\mathrm{we}\:\mathrm{simply}\:\mathrm{want}\:\mathrm{a}\:\mathrm{score}\:\mathrm{less}\:\mathrm{than} \\ $$$$\:\:\:\:\:\:\:\:\mathrm{8}\:\mathrm{the}\:\mathrm{probability}\:\mathrm{is}\:\frac{\mathrm{14}}{\mathrm{36}}=\frac{\mathrm{7}}{\mathrm{18}} \\ $$
Commented by byaw last updated on 15/Oct/18
$$\mathrm{Thank}\:\mathrm{you}\:\mathrm{very}\:\mathrm{much}. \\ $$