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ruslelena [56]
3 years ago
5

Xây dựng khoảng ước lượng đối xứng cho tỷ lệ tổng thể, trình bày bài toán tìm cỡ mẫu tối thiểu trong ước lượng khoảng cho tỷ lệ

tổng thể.
Mathematics
1 answer:
Nikolay [14]3 years ago
7 0
So basically you just
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Simplify the sum. Answers in the attachment. Will award brainliest.
pychu [463]

Answer:

your answer is C.

Step-by-step explanation:

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3 years ago
At the souvenir shop. Theo buys k key chains and p photo frames
stealth61 [152]

Answer:

Total cost of Theo's purchases in terms of k and p=2.49(k + p) + 5.99

Step-by-step explanation:

Cost of k key chain=$2.49

Cost of p photo frames=$2.49

Cost of a T-shirt=$5.99

Total cost of all items=cost of k key chain + cost of p photo frame + cost of The shirt

=2.49k + 2.49p + 5.99

Factorise

2.49 is common to both k and p

=2.49(k + p) + 5.99

Total cost of Theo's purchases in terms of k and p=2.49(k + p) + 5.99

4 0
3 years ago
Albert borrowed $12,000 at a
Aleks04 [339]

Answer:

the answer is A

Step-by-step explanation:

8 0
3 years ago
The graph shows the value of a certain model of car compared with it's age. which statement is true?
s2008m [1.1K]

The only true statement is A:

"The data show a negative linear relationship."

<h3></h3><h3>Which statement is true?</h3>

On the graph, we can see how the car's vale decreases almost linearly with the age of the car.

Where the response variable would be the one on the y-axis, which is the car's value.

For that linear behavior, we know that there is a correlation coefficient different than zero. So options B, C, and D are false.

Finally, we already saw the linear behavior (decreasing, so the slope is negative). Then we conclude that the only true statement is A.

If you want to learn more about data sets:

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2 years ago
What are the correct justifications , listed in proper order?
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4 5 6 7

Step-by-step explanation:

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3 years ago
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