The distances of 40 female engineers from their place of work were found as follows: 5 3 10 20 25 11 13 7 12 31 19 10 12 17 18 11 32 17 16 2 7 9 7 8 3 5 12 15 18 3 12 14 2 9 6 15 15 76 2 find probability that engineer lives:(i) less than 7 km for her place of work (ii) at least 7 km from place of work (iii) within 1/2 km from place of work (iv) at mlost 15 km from place of work.