Researchers conducted a study to find out if there is a difference in the use of ereaders by different age groups. randomly selected participants were divided into two age groups. in the 16- to 29-year-old group, 7% of the 630 surveyed use ereaders, while 11% of the 2,312 participants 30 years old and older use ereaders. (use α = 0.05. for subscripts let 1 = 16- to 29-year-old users, and 2 = 30 years old and older users.) note: if you are using a student's t-distribution for the problem, including for paired data, you may assume that the underlying population is normally distributed. (in general, you must first prove that assumption, though.)