Question

One of the questions on a survey asked adults if they used the internet at least occasionally. The results showed that 453 out of 478 adults aged 18–29 answered Yes; 738 out of 833 adults aged 30–49answered Yes; 1,059 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 the least likely to use the internet.Adults aged 30–49 are less likely to use the internet than adults aged 50 and over.     Younger adults are more likely to use the internet.Older adults are more 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.

Answer 1

adal, aged l8-24 who are rne L1S3 418 138 833 0. 8859 detvease 453 138 tos1 18+8336Qq 2s0