The mass of rice that each woman get when sharing a sack varies inversely with the number of women. When there are 20 women, each get 6kg of rice. If there are nine women. How much does each get

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.