Compute a probabilistic return where there is a $10\%$ probability of achieving a $-10\%$ return a $65\%$ probability of an $11\%$ return and a $25\%$ probability of a $17\%$ return a $10\mathrm{.}40$ b $5\mathrm{.}34$ x $12\mathrm{.}40$ d $6\mathrm{.}00$