For the "Hours Worked" survey conducted by Gallup in Problem 21, provide two recommendations for increasing the precision of the interval.

Data from Problem 21

In a survey, 700 adults in a certain country were asked how many hours they worked in the previous week. Based on the results, a \(95 \%\) confidence interval for mean number of hours worked was lower bound: 41.7 and upper bound: 43.6. Which of the following represents a reasonable interpretation of the result? For those that are not reasonable, explain the flaw.