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rewona [7]
3 years ago
15

The following are prices for a 25 inch T.V. found in different stores around Roseville: 100,98,121,111,97,135,136,104,135,138,18

9,114, 92, 69
is it
Skewed to the right?
Symmetric?
Skewed to the left?
Uniform?
Mathematics
2 answers:
melisa1 [442]3 years ago
5 0

Answer: Skewed to the right

Step-by-step explanation:

There are 14 individual prices which when arranged in order and their mean and median calculated, gives 117.07 as mean and 112.5 as median.

Sum of prices = 1639

Total number of prices = 14

Middle digits when arranged in ascending order = 111 & 114

Mean = 1639/14 = 117.07

Median = (111 + 114)/2 = 112.5

For any distribution skewed to the right (positive skew), the mean is typically greater than the median (117.07 > 112.5) which is to say a right-skewed distribution will have the mean to the right of the median. It will also have a long right tail in the positive direction on the number line. As opposed to the normal distribution, a symmetric distribution with no skew. The tails are exactly the same.

Vlad1618 [11]3 years ago
4 0
There are 14 values above. The mean of these 14 numbers is calculated by dividing their sum by 14 which will give us an answer of 117.07 or ~117. The smallest of these values is 69 which is 48 units to the left of the average. The largest value is 189 which is 72 units to the right of the average. Therefore, in this distribution, the values are skewed to the right. 
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Suppose P(E) = 81%; P(E and F) = 9%; and P(E or F) = 65%,
PIT_PIT [208]

Using Venn probabilities, it is found that P(F) = -0.07, which is not a probability, as it is a negative value.

------------------

  • We have two events, E and F.
  • Their probabilities are: P(E) = 0.81, P(E \cap F) = 0.09, P(E \cup F) = 0.65
  • The probabilities are related by the following equation:

P(E \cap F) = P(E) + P(F) - P(E \cup F)

  • Replacing into the equation, we can find P(F).

0.09 = 0.81 + P(F) - 0.65

0.16 + P(F) = 0.09

P(F) = -0.07

P(F) = -0.07, which is not a probability, as it is a negative value.

A similar problem is given at brainly.com/question/21421475

4 0
3 years ago
The perimeter of a rectangle swimming pool is 160 feet. The length of the swimming pool is four times its width . Find the dimen
Helga [31]
Formula for Perimeter of Rectangle:

P = 2(L + W)

Plug in 160:

160 = 2(L + W)

L = 4W
<span>So we can plug in '4W' for 'L' in the first equation.</span>
<span>160 = 2(L + W)

160 = 2(4W + W)

Combine like terms:

160 = 2(5W)

160 = 10W

Divide 10 to both sides:

W = 16

Now we can plug this back into any of the two equations to find the length.

L = 4W

L = 4(16)

L = 64

So the width is 16, and the length is 64.</span>
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Read 2 more answers
I WILL AWARD BRAINLIEST TO THE FIRST PERSON TO ANSWER HONESTLY
ruslelena [56]

Answer:

1,3,5

Step-by-step explanation:

Your first answer is correct,the third one too,and your fifth too.

Hope this helps:)

Pls mark brainlist

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Jlenok [28]

Answer:

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The answer is

g(x) = 4x

g{x} = 4x {  \: }^{2}  = 8x

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How much will you save if you buy an item listed at 575.50 at a 30 percent discount?
Alika [10]
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