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stiv31 [10]
3 years ago
10

Pls help with math ASAP

Mathematics
1 answer:
Dafna11 [192]3 years ago
6 0

Answer:

She will need 16 packages

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15,015

Step-by-step explanation:


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EASY MATH PROBLEM!<br> Please help me! Will mark brainliest for sure!
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If the point (b,15) lies on the straight line with equation Y=5x fonde the value of b ?
Andrej [43]

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b = 3

Step-by-step explanation:

Substitute the y- coordinate 15 into the equation , that is

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3 years ago
A local board of education conducted a survey of residents in the community concerning a property tax levy on the coming local b
IrinaK [193]

Answer:

a. [ 0.454,0.51]

b. 599.472 ~ 600

Step-by-step explanation:

a)

Confidence Interval For Proportion

CI = p ± Z a/2 Sqrt(p*(1-p)/n)))

x = Mean

n = Sample Size

a = 1 - (Confidence Level/100)

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CI = Confidence Interval

Mean(x)=410

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Confidence Interval = [ 0.482 ±Z a/2 ( Sqrt ( 0.482*0.518) /850)]

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= [ 0.454,0.51]

b)

Compute Sample Size ( n ) = n=(Z/E)^2*p*(1-p)

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Samle Proportion = 0.482

ME = 0.04

n = ( 1.96 / 0.04 )^2 * 0.482*0.518

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8 0
3 years ago
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The answer is D.

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She forgot to find the square root of 7225.

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