若将低于海平面11022米的太平洋最深处记作：﹣11011米，则高出海平面 8848.13米的珠穆朗玛峰应记作（    ）米．

A student conducts an experiment in biology lab and discovers that the ratio of the number Of insects in a given population having characteristic X to the number of insects in the population not having characteristic X is 5:3, and that

of the insects having characteristic X are male insects. What proportion of the total insect population are male insects having the characteristic X