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zaharov [31]
3 years ago
15

Find the measure of each interior angle

Mathematics
1 answer:
prohojiy [21]3 years ago
7 0
L=100, M=110, P=80, N=70

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Stem (hundred thousands) Leaf (ten thousands)
alina1380 [7]

The largest stem is 3, found in the bottom row. This represents 300 thousand or 300,000.

The largest leaf in the bottom row is 7 and that represents

7*(10 thousand) = 70 thousand = 70,000

Adding the stem and leaf values gets us

300,000 + 70,000 = 370,000

<h3>The most expensive home sold was $370,000</h3>
6 0
3 years ago
. Let X and Y be random variables of possible percent returns (0%, 10%,
bazaltina [42]

(a) The marginal distribution of <em>X</em> is

Pr(<em>X</em> = <em>x</em>) = ∑ Pr(<em>X</em> = <em>x</em>, <em>Y</em> = <em>y</em>)

… = 0.0625 + 0.0625 + 0.0625 + 0.0625

… = 0.25

That is, the first equality follows from the law of total probability, with the sum taken over <em>y</em> from {0, 5, 10, 15}. Each probability Pr(<em>X</em> = <em>x</em>, <em>Y</em> = <em>y</em>) is given in the table to be 0.0625.

Similarly, the marginal distribution of <em>Y</em> is

Pr(<em>Y</em> = <em>y</em>) = 0.25

(b) Yes, they're independent because

Pr(<em>X</em> = <em>x</em>, <em>Y</em> = <em>y</em>) = 0.0625,

and

Pr(<em>X</em> = <em>x</em>) Pr(<em>Y</em> = <em>y</em>) = 0.25 • 0.25 = 0.0625.

(c) The mean of <em>X</em> is

E[<em>X</em>] = ∑ <em>x</em> Pr(<em>X</em> = <em>x</em>)

… = 0.25 ∑ <em>x</em>

<em>… </em>= 0.25 (0 + 5 + 10 + 15)

… = 7.5

and you would find the same mean for <em>Y</em>,

E[<em>Y</em>] = 7.5

The variance of <em>X</em> is

V[<em>X</em>] = E[<em>X</em>^2] - E[<em>X</em>]^2

… = (∑ <em>x</em>^2 Pr(<em>X</em> = <em>x</em>)) - 7.5^2

… = 0.25 (∑ <em>x</em>^2) - 56.25

… = 0.25 (0^2 + 5^2 + 10^2 + 15^2) - 56.25

… = 31.25

and similarly,

V[<em>Y</em>] = 31.25

(each sum is taken with <em>x</em> and <em>y</em> from {0, 5, 10, 15})

7 0
3 years ago
The histograms show the number of new subscribers in one month by age group for three newspaper. which statement is best support
natita [175]
I think it’s A cus it’s more general info about it that sums up the difference of the chronicle to the other ones i’m not sure tho
7 0
3 years ago
A line has a y-intercept of -10 and a slope of 7/4 Find the equation of the line.
Gwar [14]

Answer:

(7/4)x - 10

Step-by-step explanation:

y = mx + c

m = gradient

c = y-intercept

so you just substitute in the respective values

6 0
2 years ago
A recipe calls for 3 1/4 cups of flour, evenly divided into two different bowls. How much flour should be put into each bowl?
mr_godi [17]

3 1/4 ÷ 2 = 1.625 or 1 5/8 cups of flour in each bowl.

6 0
3 years ago
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