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Reptile [31]
3 years ago
10

If a data set has mean of 150 and a standard deviation of 25, what is the z-score of an element with a value of 250?

Mathematics
1 answer:
Nimfa-mama [501]3 years ago
5 0

Answer:

Z-score is 4

Step-by-step explanation:

N(150, 25^2)

Use z-score formula (can be found from internet with miu and sigma symbol)

z =  \frac{250 - 150}{25}  \\ z = \frac{100}{25}  \\ z = 4

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Factor completely: 12a^2b–18ab^2–30ab^3
Goryan [66]

Answer:

6ab(2a-3b-5b²)

Step-by-step explanation:

6(2a²b-3ab²-5ab³)

6a(2ab-3b²-5b³)

6ab(2a-3b-5b²)

7 0
3 years ago
What is the equation of the line that passes through the point (-3, 0) and has a slope of -1/3?​
ANTONII [103]

Answer:

Y=-1/3x-1

Step-by-step explanation:

Y-0=-1/3(x+3)

5 0
3 years ago
Please help me! I will give brainly!
Viktor [21]
<h3>Answer:  0.34</h3>

============================================================

Explanation:

A = 0.61 is given to us

Pumpkin B travels 0.28 of a mile further than A does, so,

B = A+0.28 = 0.61+0.28 = 0.89

Pumpkin B travels 0.89 of a mile.

---------------------

Pumpkin C travels 0.06 of a mile more than B does, which means,

C = B + 0.06

C = 0.89 + 0.06

C = 0.95

Pumpkin C travels 0.95 of a mile.

---------------------

The last thing to do is to subtract the values of C and A

C - A = 0.95 - 0.61 = 0.34

Pumpkin C travels 0.34 of a mile further compared to pumpkin A.

---------------------

Side note: if you want to convert from miles to feet, then multiply by 5280.

For instance, 0.61 miles = 0.61*5280 = 3,220.8 feet.

5 0
3 years ago
Read 2 more answers
What is the measure of Zx?
MA_775_DIABLO [31]

Answer:

x = 139º

Step-by-step explanation:

A line = 180º

180º - 41 º = 139º

3 0
3 years ago
Read 2 more answers
Can someone please help me
Evgesh-ka [11]

Answer:

UW ≈ 6.55 ≈ 7

Step-by-step explanation:

cos (35) = adjacent/hypotenuse

cos(35) = UW/VW

cos(35) = UW/8

8*cos(35) = UW

UW ≈ 6.55

Hope this helped! <3

7 0
3 years ago
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