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4 years ago

Plz help geometry question is below, asap

Mathematics

1 answer:

inessss [21]4 years ago

8 0

I would say the answer is b. It sounds like the best choice

hope i helped!

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

Marizza181 [45]

Answer:

Part (a) The point estimate of the proportion of adults aged 18 to 29 who use the Internet is 0.9498.

Part (b) The point estimate of the proportion of adults aged 30 to 49 who use the Internet is 0.8896.

Part (b) Estimate of the proportion of population who use the Internet is 0.7624.

Step-by-step explanation:

Consider the provided information.

Part (a) point estimate of the proportion of adults aged 18 – 29 who use the Internet

The results showed that 454 out of 478 adults aged 18-29 answered yes;

$\hat p=\frac{454}{478}=0.9498$

The point estimate of the proportion of adults aged 18 to 29 who use the Internet is 0.9498.

Part (b) Develop a point estimate of the proportion of adults aged 30-49

741 out of 833 adults aged 30-49 answered yes;

$\hat p=\frac{741}{833}=0.8896$

The point estimate of the proportion of adults aged 30 to 49 who use the Internet is 0.8896.

Part (c) 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.

$\hat p=\frac{454+741+1058}{478+833+1644}$

$\hat p=\frac{2253}{2955}=0.7624$

Estimate of the proportion of population who use the Internet is 0.7624.

7 0

3 years ago

How do i write how i got the answer for 5x=45 using the opposite operation

Colt1911 [192]

Answer:

45/5= 9

Step-by-step explanation:

4 0

3 years ago

List 3 values that would make this in quality true. 48<6n

Helen [10]

The 3 values would be 9 , 10 and 11.

because:

48<6(9)
48<54

48<6(10)
48<60

48<6(11)
48<66

6 0

3 years ago

−2x−x+8 please help cant figure it out

Trava [24]

Answer:

-3x+8

Step-by-step explanation:

−2x−x+8

Add the -2x to the -x and you get -3x.

-3x + 8 is the answer if you wrote your equation correctly...

4 0

3 years ago

Explain how you could use a number line to show that -4 + 3 and 3 + (-4) have the same value

iogann1982 [59]

Find (-4) on the number line and move 3 to the right. You will end up at (-1).

Find (3) on the number line and move 4 to the left. You will end up at the same value of (-1).

6 0

3 years ago