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viva [34]
3 years ago
11

A confidence interval measures how likely a certain conclusion is true. True or False

Mathematics
2 answers:
Vlada [557]3 years ago
8 0

Answer:

false

Step-by-step explanation:


SashulF [63]3 years ago
3 0

Answer:

True

Step-by-step explanation:

A confidence interval is an estimate of the limits within which a population mean would be found. For a given population with a known standard deviation, confidence intervals are calculated using the mean of a sample as a point estimate, a z-score as a reliability factor, and the standard error.

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Ahhh help please find the perimeter
spin [16.1K]

Answer:

12x^{2} + 6y

Step-by-step explanation:

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3 years ago
When Joey dives off a diving board, the equation of his pathway can be modeled by h = -16t2 + 15t + 12. A) Find Joey's maximum h
sergeinik [125]

Answer:

a) 15.52ft

b) 0.47 secs

Step-by-step explanation:

h = -16t^2 + 15t + 12

The maximum height is reached after -b/2a seconds

a = -16 , b = 15, c= 12

-b/2a = -15/2(-16)

= -15/-32

= 0.47 secs

The maximum height = -16(0.47)^2 + 15(0.47) + 12

= -3.5344 + 7.05 + 12

= 15.5156

= 15.52ft

8 0
4 years ago
Factor completely 49x^2 - 81<br>(7x+9)^2<br>(7x-9)^2<br>(7x+9)(7x-9)<br>7x-9​
AURORKA [14]

Answer:

Step-by-step explanation:

x^{2} -y^{2} =(x+y)(x-y)\\49x^{2}-81=(7{x})^2-{9}^2=(7x+9)(7x-9)

5 0
4 years ago
Write two equations for a horizontal line and a vertical line.
wlad13 [49]
Two equations for a horizontal line could be y = 1 & y = 5
Two equations for a vertical line could be x = 2 & x = 6

Horizontal lines are created when y is always equal to one number, while vertical lines are created when x is always equal to one number.

Hope this helps!
5 0
3 years ago
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Lisa [10]

Step-by-step explanation:

it will be a because it have more

3 0
3 years ago
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