local chapter of the Nigerian Institute of Estate Surveyors and Valuers has 60 members, 25 of whom are males. Out of the 60 members, 35 have invested in the shares of companies in the banking sector, 15 in
shares of companies in the Food and beverages sector, and the rest in companies in the petroleum sector. Of the male members, 10 invested in companies in the Banking sector while 8 invested in Food and Beverages sector.
(a) Put the information in this problem in tabular form with gender as the row and investment sector in the column:
(b) A surveyor is randomly picked from the community. Find the probability that the selected person
(i) Is a male;
(ii) Has invested in the banking sector;
(iii) Has invested in the petroleum sector;
(iv) Has invested in the banking sector or the food and beverage sector;
(v) Is either a female or has invested in the petroleum sector; and
(vi) Is a male and has invested in the banking sector.