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kozerog [31]
3 years ago
9

What is the constant of proportionality, and what method did you use to determine this?

Mathematics
1 answer:
atroni [7]3 years ago
8 0

Answer:

it should be A

Step-by-step explanation:

hope this helps :)

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A real estate agent needs to estimate the average value of a residential property of a given size in a certain area. The real es
alexira [117]

Answer:

Follows are the solution to this question:

Step-by-step explanation:

95 \% \ the confidence level for z:

\alpha = 1 - 95 \% \\\\

   = 1 - 0.95 \\\\        = 0.05

\to \frac{\alpha}{2} = \frac{0.05}{2} = 0.025\\\\\\to Z \  \frac{\alpha}{2} = Z_{0.025} = 1.96

Calculating the Margin of error:

E =   Z\  \frac{\alpha}{2}  \times ( \frac{\sigma}{\sqrt{n}})

   = 1.96 \times ( \frac{5000}{\sqrt{\sqrt{100}}})\\\\= 980

The population means estimate a 95 % confidence interval is:

\to \bar{x} \frac{+}{-} E\\\\ = \$ 90000 \frac{+}{-} 980

5 0
3 years ago
The accompanying stem-and-leaf plot represents Kiko's test scores this year. What is the median score for this set of data?
worty [1.4K]

Answer: 80

Write down all the values and cross out until you get to the middle, since there are 2 values, find the mean, which would be 80

6 0
3 years ago
Help me on question 4 plssssssssssss its science not maths
olga55 [171]

Answer:

idk

Step-by-step explanation:

5 0
3 years ago
What is the equation of the lime that passes through the point (1,3) and has a slope of 6
Ilya [14]

Answer:

y = 6x+ 3.

Step-by-step explanation:

y - y1 = m(x - x1)

sub.

distribute.

bring down and solve.

7 0
3 years ago
Read 2 more answers
Given a set of data that is skewed right, there is at least ___% of the data within three standard deviations.
Mashcka [7]

Answer:

75%

Step-by-step explanation:

The right skewed data set means the data mostly lies in the right tail. There is majority of data present in the right tail of the data set. The mean, median and mod all are different for the rightly skewed data set.

6 0
3 years ago
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