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VladimirAG [237]
3 years ago
14

One of the questions in the Pew Internet & American Life Project asked adults if they used the Internet, at least occasional

ly (Pew website, October 23, 2012). The results showed that 454 out of 478 adults aged 18, 29 answered yes; 741 out of 833 adults aged 30, 49 answered yes; and 1058 out of 1644 adults aged 50 and over answered yes.
a. Develop a point estimate of the proportion of adults aged 18, 29 whouse the Internet.

b. Develop a point estimate of the proportion of adults aged 30, 49 whouse the Internet.
c. Suppose your target population of interest is that of all adults (18 yearsof age and over). Develop an estimate of the proportion of that population who use the Internet.
Mathematics
1 answer:
murzikaleks [220]3 years ago
8 0

Answer:

C

Step-by-step explanation:

i think so but it will help you

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ololo11 [35]

Your equation is just to multiply 480 by 3/4.

Easy way to do these quick.

480 (3/4) is the same as (480 * 3) / 4

480 / 4 = 120

By simplifying, you are left with just 120 * 3 in the numerator

120 * 3 = 360

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If you need to check your answer:

360 / 480

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Greg stands at a horizontal distance 35 feet from the base of the building. The angle of elevation Craig stands out a horizontal
ValentinkaMS [17]
Because X is opposite of the 38° angle and 35 is adjacent to the 38° angle, you would use tan. To set up the equation you would put X over 35 and set an equal to 38(tan). Then you would multiply both sides by 35 to cancel out the 35 on the bottom of the X. When you multiply 38(tan) by 35, you get X equals 27.

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Parker family drove 120 miles on the first day

Step-by-step explanation:

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The distance travelled on the first day is 120 miles.

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