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nika2105 [10]
2 years ago
15

g Jack is polling New Yorkers to determine what proportion of them want to legalize recreational marijuana. How many New Yorkers

should the sample to ens
Mathematics
1 answer:
wolverine [178]2 years ago
5 0

Answer:

1006

Step-by-step explanation:

Take proportion, p = 62%

n = (Z² * pq) / M.E²

Margin error = 0.03

p = 62% = 0.62

q = 1 - p = 1 - 0.62 = 0.38

Zcritical at 95% = 1.96

n = (1.96² * (0.62*0.38)) / 0.03²

n = 0.90508096 / 0.0009

n = 1005.6455

n = 1006

Sample size = 1006

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A pack of 6 batteries of the same type cost ?2.79 . By calculating the price per battery,determine if this is better value.You m
MissTica

Answer:

The full question is attached in the picture below.

The better price for the battery is given with the 6 pack.

(£ 0.47 per battery)

Step-by-step explanation:

If 8 batteries cost £ 3.99

This means that one battery is equal to

£3.99/8 = £ 0.49875 ≈ £ 0.50 per battery

The pack of 6 batteries costs £ 2.79

This means that one battery is equal to

£2.79/6 = £ 0.465 ≈ £ 0.47 per battery

Then, we can conclude than the 6 pack gives us a better price per battery

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Chuge%20%5Cdag%20%5Csf%7BAnswer%20%5C%3A%20it%7D" id="TexFormula1" title="\huge \dag \sf{Ans
spayn [35]

Answer:

<h3>Some Points about this Formula :- </h3>

  • The formula given here is the definition of the derivative in calculus. The derivative measures the rate at which a quantity is changing.

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<h3>To know the solution,Refer to the above attachment . </h3>

3 0
2 years ago
Plz help me I am bad at math!
Marianna [84]

Answer:

<h2>A.) 3 6/8</h2>

Step-by-step explanation:

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5 0
3 years ago
Read 2 more answers
Help<br><br> (5a-3a^3)*(4a-1)
ivann1987 [24]

Answer:

-12a^{4}  + 3a^{3} + 20a^{2} -5a

Step-by-step explanation:

(5a-3a^{3} ) • (4a-1)

Let's use FOIL (first, outer, inner, last) to solve this. We'll multiply the terms by one another in that fashion.

20a^{2} - 5a - 12a^{4} + 3a^{3}

Rearrange in decreasing exponents.

-12a^{4}  + 3a^{3} + 20a^{2} -5a

3 0
3 years ago
Can you help me solve these
Diano4ka-milaya [45]

Answer:

1. y = 5 - 2x

2. b = a - 3

3. x = 5y - 12

4. c = (12+7d)/3

5. y = (24-4x)/3

6. x = (4 - 3y)/2

Step-by-step explanation:


8 0
3 years ago
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