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balandron [24]
3 years ago
9

Solve 3 - x = -9 Plzzzzzzzz

Mathematics
1 answer:
ELEN [110]3 years ago
6 0
The answer would be -6
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Write a statement that correctly interprets the confidence interval. Choose the correct answer below. A. One has 90​% confidence
poizon [28]

Answer:

B. <em>There is a 90​% chance that the true value of the population proportion will fall between the lower bound and the upper bound. </em>

Step-by-step explanation:

A. <em>One has 90​% confidence that the sample proportion is equal to the population proportion. </em>

Confidence interval gives an interval estimate, not an equality

B. <em>There is a 90​% chance that the true value of the population proportion will fall between the lower bound and the upper bound. </em>

<em>Ture. </em>

<em>C.</em><em> One has 90​% confidence that the interval from the lower bound to the upper bound actually does contain the true value of the population proportion. </em>

Also true but <em>One has 90​% confidence is not good interpretation. </em>

<em>D</em><em>. 90​% of sample proportions will fall between the lower bound and the upper bound.</em>

<em>Lower bound and upper bound is given to estimate population proportion. </em>

4 0
3 years ago
In science class, the average score on a lab report is 82 points, with all the students scoring within 3.2 of the average. If x
rodikova [14]

Answer:  |x − 82| = 3.2.

that is your answer

Step-by-step explanation:

5 0
2 years ago
the band has a total of 152 members. some of the members are in the marching band, and the rest are in the concert band. Write a
katen-ka-za [31]
Here is the equation represented by the situation.

M = 152 - c

You have a total number of band members. If you take away the number of concert band members, the remaining would be the number of marching band members.

3 0
3 years ago
In quadrilateral WXYZ, WC = 2x + 5 and CY = 3x + 2. What must x equal for quadrilateral WXYZ to be a parallelogram?
Drupady [299]
The diagonals of a parallelogram bisect each other.
Therefore WC = CY.
That is,
2x + 5 = 3x + 2
Subtract 2x from each side.
5 = 3x - 2x + 2
5 = x + 2
Subtract  from each side.
5 - 2 = x + 2 - 2
3 = x

Answer:  x = 3

4 0
4 years ago
Read 2 more answers
a farmer needs to build a goat pen. the pen will be 9 yards wide and 18 yards long. The fencing material costs 8.98 per yard. ho
Rus_ich [418]

Answer:

$484.92

Step-by-step explanation:

Since you have 4 sides to the pen you will need to figure out how many yard total there is so two of your sides are 9 yards and the other two are 18 yards. now you have to add however many yards there are....

9+9=18

18+18=36

then you have to add those two numbers together

18+36=54 yards total

now you just multiply 54 by 8.98

your total amount of money you spent is $484.92

7 0
3 years ago
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