I'm doing my Masters in Population studies and this is my assignment question.
Could any one of you explain how to solve this problem. I would be grateful to you. Thank you.

Calculate life expectation of life at age x from the following table?

Age
group nMx

0-1 .14490
1-5 .03700
5-10 .00610
10-15 .00275
15-20 .00300
20-25 .00550
25-30 .00540
30-35 .00630
35-40 .00680
40-45 .00800
45-50 .01000
50-55 .01500
55-60 .02570
60-65 .03900
65-70 .05700
70-75 .08450
75-80 .12111
80-85 .17988
85+ .25000