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mixas84 [53]
2 years ago
11

HELP FAST DUE IN TEN MINUTES!!

Mathematics
1 answer:
goldenfox [79]2 years ago
5 0

Answer:

Someone is spending 80 cents daily from their bank account, starting out with $5.6

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A store owner is interested in opening a second shop. She wants to estimate the true average daily revenue of her current shop t
Alex
Every confidence interval has associated z value. As confidence interval increases so do the z value associated with it. 
The confidence interval can be calculated using following formula:
\overline{x} \pm \frac{zs}{\sqrt n}
Where \overline{x} is the mean value, z is the associated z value, s is the standard deviation and n is the number of samples.
We know that standard deviation is simply a square root of variance:
s=\sqrt{315900.20}=\$562.05
The confidence interval of 95% has associated z value of <span>1.960.
</span>Now we can calculate the confidence interval for our income:
3472.00\pm \frac{1.960\cdot 562.05}{\sqrt{60}}\\ \$3472.00\pm142.22


6 0
3 years ago
Translate the following statement to an inequality.
Irina-Kira [14]

Answer:

Step-by-step explanation:

a number no less then 15

let the number be x

no less then 15....means it has to be 15 or more

x > = 15 (thats greater then or equal to)

3 0
3 years ago
I just need to know how to solve this question.
Zarrin [17]

Answer:

x = 62

Step-by-step explanation:

x and 118 form a linear pair (added up, they both equal 180 degrees)

So, 180-118 = 62 which is the measurement of x

6 0
2 years ago
Joe made 11 egg rolls there were 6 egg rolls and each order how many egg rolls did Joe make?
harina [27]

Answer:

2

Step-by-step explanation:

He made 1 full one and the other contained 5

4 0
3 years ago
The graphs of the two lines 4x=3y+23 and 4y+3x=-19
dem82 [27]
Answer: <span>D. Are perpendicular

</span><span>4x=3y+23 slope = 4/3
</span><span>4y+3x=-19 slope = -3/4</span>
4 0
3 years ago
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