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Sliva [168]
3 years ago
7

In 1987, the General Social Survey asked, "Have you ever been active in a veteran's group? " For this question, 52 people said t

hat they did out of 98 randomly selected people. The General Social survey randomly selects adults living in the US. Someone wanted to compute a 95% confidence interval for p. What is parameter?
Mathematics
2 answers:
Bond [772]3 years ago
4 0

Answer: p → POPULATION PROPORTION

Step-by-step explanation:

Given : n 1987, the General Social Survey asked, "Have you ever been active in a veteran's group? "

Sample size : n= 98

Proportion of successes =  52

The confidence interval for p is given by :-

p\pm\ z_{\alpha/2}\sqrt{\dfrac{p(1-p)}{n}}

Where p is population proportion of successes.

So the parameter is p → POPULATION PROPORTION

Elan Coil [88]3 years ago
4 0

Answer:

hi

Step-by-step explanation:

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Which of the set of ordered pairs contains the line<br> 1/3 x+y= 15.
Dima020 [189]

Answer: c

Step-by-step explanation:

5 0
4 years ago
Read 2 more answers
Question: The meaning of four consecutive even numbers is 15.
nasty-shy [4]
First, a bit of housekeeping:

<span>The meaning of four consecutive even numbers is 15.  Wouldn't that be "mean," not meaning?  Very different concepts!

The greatest of these numbers is _______ a^1

"a^1" means "a to the first power.  There are no powers in this problem statement.  Perhaps you meant just "a" or "a_1" or a(1).


The least of these numbers is ______a^2.
No powers in this problem statement.  Perhaps you meant a_2 or a(2)


In this problem you have four numbers.  All are even, and there's a spacing of 2 units between each pair of numbers (consecutive even).

The mean, or arithmetic average, of these numbers is (a+b+c+d) / 4, where a, b, c and d represent the four consecutive even numbers.  Here this mean is 15.  The mean is most likely positioned between b anc c.


So here's what we have:  a+b+c+d
                                         ------------- = 15
                                                 4

This is equivalent to a+b+c+d = 60.

Since the numbers a, b, c and d are consecutive even integers, let's try this:

a + (a+2) + (a+4) + (a+6) = 60.    Then 4a+2+4+6=60, or 4a = 48, or a=12.

Then a=12, b=14, c=16 and d=18.  Note how (12+14+16+18) / 4 = 15, which is the given mean.

We could also type, "a(1)=12, a(2)=14, a(3) = 16, and a(4) = 18.


</span>
8 0
4 years ago
What is differnce when there is parentheses around a number being squared?
Svetach [21]
When parentheses are around a number being squared, the output value will always be positive. 

For example: -2² vs (-2)²
-2² means the <em>negative of the square of two</em>, or -4
(-2)² means the <u /><em>square of negative two</em>, or 4

<em />
5 0
3 years ago
Please help ASAP!!!!!!!!
JulijaS [17]

The correct answer is: "The value of the 5 in 50.8 is 1,000 times the value of the 5 in 18.35."

Step-by-step explanation:

When numbers are considered, their position or place value matters a lot.

When a decimal number is written, moving left from the decimal point the place value increases ten times and while moving to the right the place value decreases 10 times.

Given two numbers are:

50.8 and 18.35

In order to compare the 5 in both numbers we have to find the place value of 55 in both numbers.

So,

<u>In 50.8:</u>

The place value of 5 in 50.8 is: 50

<u>In 18.35:</u>

The place value of 5 will be: 5/100

To compare the values, we will divide the larger place value by smaller place value

=\frac{50}{\frac{5}{100}}\\\\=\frac{50*100}{5}\\\\= \frac{5000}{5}\\\\=1000\ times

Hence,

The correct answer is: "The value of the 5 in 50.8 is 1,000 times the value of the 5 in 18.35."

Keywords: Place value, decimals

Learn more about place values at:

  • brainly.com/question/10402163
  • brainly.com/question/10414011

#LearnwithBrainly

4 0
4 years ago
In two or more complete sentences, compare the number of x-intercepts in the graph of f(t) = t^2 to the number of x-intercepts i
Anvisha [2.4K]
Well, minusing 8 from every t just moved theh function to the right 8 units
it had no effect on the number of t intercepts (horizontal is t axis instaead of x axis)

originally, it has 1 t intercept at t=0
now it still has 1 t intercept, but now it is at t=8
3 0
3 years ago
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