Question

One of the questions on a survey asked adults if they used the internet at least occasionally. The results showed that 451 out of 478 adults aged 18-29 answered Yes; 737 out of 833 adults aged 30-49 answered Yes; 1,058 out of 1,644 adults aged 50 and over answered Yes. (Round your answers to four decimal places.) (a) Develop a point estimate of the proportion of adults aged 18-29 who use the internet. (b) Develop a point estimate of the proportion of adults aged 30-49 who use the internet. (c) Develop a point estimate of the proportion of adults aged 50 and over who use the internet. (d) Comment on any relationship between age and Internet use that seems apparent. Adults aged 30-49 are less likely to use the internet than adults aged 50 and over Older adults are more likely to use the internet. Younger adults are more likely to use the internet. Adults aged 30-49 are the least likely to use the internet. (e) Suppose your target population of interest is that of all adults (18 years of age and over). Develop an estimate of the proportion of that population who use the internet. Need Help? Read It Talk to a Tutor

Answer 1

bolicas proportion Paint estimate of the a ntion 18-29 who used internet is :- of adults aged 4161 .943515 478 O2 Pant estimate of the proportion body of adults aged 30-49_ -:ش P-137 0.884754 833 o C Paint and estimate of an over who the proportion of adults aged 50 use the internet PE 1058 - 0.643558 1644 Icel aption () is correct. (C) younger adults are more likely to y use the intemet. @ h e internat proportion of Paint that ( 18 Ñ estimate of population who use the years of age and aver) 451 + 737 +1058 4178 + 8 33 + 1644 a 9,946 -0.760068 9955 And