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Sav [38]
2 years ago
9

I feel like something is wrong, is there?

Mathematics
1 answer:
Phoenix [80]2 years ago
8 0

Answer:

# 4 (-5,2) should be placed one more place to the right

#5 (5,1) should be moved once up

Step-by-step explanation:

:)

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The owner of Limp Pines Resort wanted to know the average age of its clients. A random sample of 25 tourists is taken. It shows
erma4kov [3.2K]

Answer:

C. ± 2.326 years.

Step-by-step explanation:

We have the standard deviation for the sample. So we use the t-distribution to solve this question.

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.98}{2} = 0.01

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.01 = 0.99, so z = 2.326/tex]Now, find the width of the interval[tex]W = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

In this question:

\sigma = 5, n = 25

So

W = z*\frac{\sigma}{\sqrt{n}}

W = 2.326*\frac{5}{\sqrt{25}}

The correct answer is:

C. ± 2.326 years.

7 0
3 years ago
Find the value of x leave your answer in simplified radical form​
GarryVolchara [31]
X^2 = 7^2 - 3^2
x = root40
7 0
3 years ago
Which is grater -12.5 or -10.5<br><br> Please help me
DochEvi [55]

Answer:

-10.5

Step-by-step explanation:

Greater a negative number the smaller it is.

7 0
3 years ago
Read 2 more answers
100 POINTS
Andru [333]

Answer:

(1, -7)

Step-by-step explanation:

P(3,4)

3 up ---> y = 4 + 3 = 7

2 left ----> x = 3 - 2 = 1

new point (1, 7)

after 180 rotation around origin

point is (-1, -7)

now reflection over y-axis

(1, -7)

6 0
2 years ago
Read 2 more answers
I need help 1.09 divided by 3.08 show your solution Thank you so much if u helpt me
gayaneshka [121]

Answer:

<h2 /><h2><em>answe</em><em>r</em><em> will</em><em> be</em><em> </em><em>0</em><em>.</em><em>3</em><em>5</em><em>3</em><em>8</em></h2>

Step-by-step explanation:

\frac{1.09}{3.08}  = 0.3538

6 0
3 years ago
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