This is so confusing

QUESTION 40 The following data represent the number of driver fatalities in a certain year, by age group, for male and female drivers. Age Male Female Total 16-34 8361 2705 11066 35-54 5097 1827 6924 55-74 2533 1156 3689 75 or older 1357 699 2056 Total 17348 6387 23735 What proportion of the drivers killed in the 55-74 age group were males? QUESTION 41 A study published in 1990 attempted to estimate the proportion of Florida residents who were willing to spend more tax dollars on protecting the Florida beaches from environmental disasters. Twenty-three hundred Florida residents were surveyed. What is the population used in the study? a. 2300 Florida residents b. all Florida residents c. population proportion willing to spend more tax dollars d. sample proportion willing to spend more tax dollars QUESTION 42 A study published in 1990 attempted to estimate the proportion of Florida residents who were willing to spend more tax dollars on protecting the Florida beaches from environmental disasters. Twenty-three hundred Florida residents were surveyed. What is the sample here? a. 2300 Florida residents b. all Florida residents c. population proportion willing to spend more tax dollars d. sample proportion willing to spend more tax dollars