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Anastaziya [24]
3 years ago
7

What is the do.ain and range of (1,9), (2,7), (5,4), (7,12) (3,9)

Mathematics
1 answer:
inysia [295]3 years ago
6 0
Domain: {1,2,3,5,7}
Range: {4,9,7,12}
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The Bradenton Post polled 1,356 adults in the city to determine whether they wet their toothbrush before they put toothpaste on
natulia [17]

Answer:

The mean is 0.54 and the standard deviation is 0.0135.

Step-by-step explanation:

i) the mean of the sampling distribution is 0.54

ii) the mean for the sampling distribution, p = 0.54

iii) therefore for the sampling distribution, q = ( 1 - 0.54) = 0.46

iv) the sample size of the distribution, n = 1356

v)  the\hspace{0.1cm} standard\hspace{0.1cm}  deviation\hspace{0.1cm}  s = \sqrt{\frac{p\times q}{n} }  = \sqrt{\frac{0.54\times 0.46}{1356} } = 0.0135

4 0
4 years ago
Can someone explain what these types of arrows mean please?
Yakvenalex [24]
I think it means grater or less ? Or positive or negative?
8 0
3 years ago
Calculate the correlation coefficient for the given data below:
Rasek [7]

The correlation coefficient of the data provided is -0.52.

<h3>What is the correlation coefficient?</h3>

Correlation is a measure that is used in statistics to determine the linear relationship that exists between two variables. Correlation can be positive, negative or zero.

Positive correlation is when two variables move in the same direction. Negative correlation is when two variables move in opposite directions. Zero correlation is when there is no relationship between the variables.

Correlation can be determined using a financial calculator. When the financial calculator is used, the correlation coefficient is -0.52

To learn more about negative correlation, please check: brainly.com/question/27246345

#SPJ1

4 0
1 year ago
Roberto has 26% of
antiseptic1488 [7]

Answer:

407 Dollars

Step-by-step explanation:

550 x 0.26 = 143 dollars that he keeps, now we do 550 - 143 = 407, that gets withheld

7 0
3 years ago
Is this congruent or not congruent?
lutik1710 [3]

Answer:

Its not congruent bc they do not have the same width and lenth

Hope This Help

5 0
3 years ago
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