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blondinia [14]
4 years ago
8

True or false: given a sample mean of 2.1 and a sample standard deviation of 0.7 from a sample of 10 data points, a 90% confiden

ce interval will have a width of 2.36.
Mathematics
1 answer:
iris [78.8K]4 years ago
4 0
Your answer is false.

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2n + 3 = -3.2 what is the answer to n
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Answer:n=-3.1

Step-by-step explanation:

2n + 3 = -3.2

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Each set of points are connected to form a line segment. What is the length of each?
Zinaida [17]

Answer:

Length AB = 1

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Length EF = 2

Step-by-step explanation:

To get the length of each line segments we will use the formula for finding the distance between two points as shown:

D = √(x2-x1)²+(y2-y1)²

For line segment A = (3,5) and B = (3,6)

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AB = √(3-3)²+(6-5)²

AB = √0+1²

AB = √1

AB = 1

For line segment C = (-2,-3) and D = (-2,-6)

CD =√(-2-(-2))²+(-6-(-3))²

CD = √0²+(-3)²

CD = √9

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For line segment E = (-3,1) and F = (-3,-1)

EF = √(-3-(-3))²+(-1-1)²

EF = √0²+(-2)²

EF = √4

EF = 2

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Step-by-step explanation:

Hope this helps:)

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