Some numbers are not normally distributed. If the mean of the numbers is 38 and the standard deviation is 6, what proportion of values would fall between 26 and 50? What proportion of values would fall between 14 and 62? Between what two values would 89% of the values fall?

Answers

Answer 1

Answer:

??

Explanation:

Answer 2

Using Chebyshev's theorem, the solution to the problems posed are given thus :

Since the distribution isn't normally distributed, we use Chebyshev's theorem :

[1 - (1/k²)]k = number of standard deviations from the mean. Mean = 38 Standard deviation = 6

1.)

Proportion of values that fall between 26 and 50 :

(26 - 38) ; (50 - 38) = - 12, 12 = 12/6 = 2 standard deviations from the mean :

Hence, we have ;

[1 - (1/2²)]

[1 - 1/4] = 3/4 = 0.75

Hence, about 75% of the values fall between 26 and 50

2.)

Proportion that fall between 14 and 62 :

(62 - 38) / 6 = 24/6 = 4 standard deviations from the mean

Hence, we have ;

[1 - (1/4²)]

[1 - 1/16] = 15/16 = 0.9375

Hence, about 93.75% of the values fall between 14 and 62

3.)

We solve for k in the equation :

89% = 0.89

0.89 = [1 - 1/k²]

0.89 = (k² - 1)/k²

0.89k² = k² - 1

0.89k² - k² = - 1

0.11k² = - 1

k² = - 1/-0.11

k² = 9. 09

k = √9.09

k = 3.01 = 3

Lower boundary = 38 - (3×6) = 38 - 18 = 20

Upper boundary = 38 + (3×6) = 38 + 18 = 56

Hence, the two values are (20, 56)

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Answers

Answer:

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Answer:

Answer: The correct answer is "stop-buy order with a specified purchase price of $55 per share.".

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Explanation:

Passage
The main character of this passage from a novel is Ree, a teenager living in the Ozark Mountains in
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Answer:

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Explanation:

The description in the first paragraph (sentences 1-9) suggests that Ree is tough and capable.

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The term a tough person is known to be a person that is very difficult to  deal with or handle.

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Answer:

Calculate the mass of 2.75 moles of ammonia.

Explanation:

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Answer:

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Answer:

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Answer:

D

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Answer:

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Answer:

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Answers

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Answers

Answer:

-Iniciar el curso con responsabilidad y diligencia.

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Ser responsables y poner dedicación en los estudios.

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Answer:

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The sum of all the wages is 331.

331/20 = 16.55

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Arrange the data points from smallest to largest.

If the number of data points is odd, the median is the middle data point in the list.

If the number of data points is even, the median is the average of the two middle data points in the list.

source for median instructions: Khan Academy

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Hi,

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(By Benjemin)

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Answer:

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-Violencia.  

-Salud mental.  

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-VIH/sida.

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Answer:

C) 12.68 mm

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Answer:

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Which of the following scenarios describes a disadvantage of a global economy?


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C. A toy company builds a new factory in another country to build a larger market for its products.
D. A shoe company manufactures products in another country where materials are less expensive.

Answers

Answer:

A)  An electronics company expands to another country that has low manufacturing standards.

Explanation:

The scenario is an electronics company expands to another country that has low manufacturing standards. Option A

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Expanding to a country with low manufacturing standards can be a disadvantage of a global economy. While it may initially lead to cost savings, it can compromise product quality, labor rights, and environmental regulations.

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Answers

Answer:

The difference between teacher made and standardized test are:

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Answers

Answer:

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2 over 13


1 over 13


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Answers

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= 2/52

simplified:

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