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blagie [28]
3 years ago
14

What is the equivalent expression of 12d4

Mathematics
1 answer:
dsp733 years ago
8 0

Answer:

2 same as question

Step-by-step explanation:

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Maureen is in charge of renting a climbing wall for the school’s fundraiser. The equation y = 170x represents the total cost of
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2 years ago
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In 2006, 95% of new cars in the US came with a spare tire. In 2017, 72% came with a spare tire.
MArishka [77]

Using the Central Limit Theorem, it is found that:

  • The mean is 0.23.
  • The standard deviation is s = \sqrt{\frac{0.95(0.05)}{250} + \frac{0.72(0.28)}{250}}.

<h3>Central Limit Theorem</h3>
  • It states that for a <u>proportion p in a sample of size n</u>, the sampling distribution of sample proportions has mean p and standard deviation s = \sqrt{\frac{p(1 - p)}{n}}
  • When two variables are subtracted, the mean is the subtraction of the means, while the standard deviation is the square root of the sum of the variances.

In 2006, 95% of new cars in the US came with a spare tire, with a sample of 250, hence:

p_1 = 0.95, s_1 = \sqrt{\frac{0.95(0.05)}{250}}

In 2017, 72% of new cars in the US came with a spare tire, with a sample of 250, hence:

p_2 = 0.72, s_2 = \sqrt{\frac{0.72(0.28)}{250}}

Hence, for the distribution of differences:

p = p_1 - p_2 = 0.95 - 0.72 = 0.23

s = \sqrt{s_1^2 + s_2^2} = \sqrt{\frac{0.95(0.05)}{250} + \frac{0.72(0.28)}{250}}

To learn more about the Central Limit Theorem, you can take a look at brainly.com/question/16695444

7 0
2 years ago
Maria would like to find one-third of the difference between a number, n, and 7. Which
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Answer:

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Step-by-step explanation:

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2 years ago
The base area of a triangular pyramid is28 in and the height is 12 in. What is the volume of this pyramid
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Answer:

V = (1/3)(24)(12) = 96 cubic units.

Step-by-step explanation:

The volume would be 96 cubic units.

6 0
2 years ago
Find the product.
icang [17]
The answer is c, or .236. If you enter 0.4 times 0.59, you end up with 0.236.
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3 years ago
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