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3 years ago

Please help I will give a brainliest

Mathematics

1 answer:

valentina_108 [34]3 years ago

5 0

Since y=Mx+b (Mx being slope and b being y intercept) you should plot a dot on (0,1) and then for the slope you would rise up 2 to 3 and then go over one to the point (3,1) I hope I could explain it well.

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A recent poll of 1500 new home buyers found that 60% hired a moving company to help them move to their new home. Find the margin

Mrac [35]

Answer:

The margin of error M.O.E = 2.5%

Step-by-step explanation:

Given that;

The sample size = 1500

The sample proportion $\hat p$ = 0.60

Confidencce interval = 0.95

The level of significance ∝ = 1 - C.I

= 1 - 0.95

= 0.05

The critical value:

$Z_{\alpha/2} = Z_{0.05/2} \\ \\ Z_{0.025} = 1.96$ (From the z tables)

The margin of error is calculated by using the formula:

$M.O.E = Z_{\alpha/2} \times \sqrt{\dfrac{\hat p(1 -\hat p)}{n}}$

$M.O.E = 1.96 \times \sqrt{\dfrac{\hat 0.60(1 -0.60)}{1500}}$

$M.O.E = 1.96 \times \sqrt{\dfrac{0.24}{1500}}$

$M.O.E = 1.96 \times \sqrt{1.6 \times 10^{-4}}$

M.O.E = 0.02479

M.O.E ≅ 0.025

The margin of error M.O.E = 2.5%

8 0

3 years ago

Compare √7 and 1.9? > < = Help pls 

Paraphin [41]

Answer:

that answer is 7 is bigger then 1.9

Step-by-step explanation:

so 7 is a whole and 1.9 is a decimal

8 0

3 years ago

Read 2 more answers

5/4+5/4=_ × 1/4 plz help me

Tanya [424]

Answer:

10/4

Step-by-step explanation:

4 0

3 years ago

At a yard sale,Dan bought a used lawnmower for $60. that was 30% of what the mower cost when it was new. What was the original p

Ivanshal [37]

Answer:

30/100 X $60= $18.

The original price will be $60 + $18 = $78.

4 0

3 years ago

Mariana signed up for a streaming music service that costs $7 per month. The service allows Mariana to listen to unlimited music

valkas [14]

Answer:

50$

Step-by-step explanation:

$1.25x40= 50 so she would have to pay 50$

8 0

3 years ago