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Lemur [1.5K]
4 years ago
12

Marcel converts the frequency table to a conditional relative frequency table by row. 4-column table, 3 rows. First column no la

bel with entries less than 30 miles a gallon, greater than or equal to 30 miles a gallon, total. Second column labeled less than 40 dollars a week with entries W, Y, almost equals 0.43. Third column labeled greater than or equal to 40 dollars a week with entries X, Z, almost equals 0.57. Fourth column labeled total with entries 1.0, 1.0, 1.0 Which value should he use for Y? Round to the nearest hundredth. 0.19 0.45 0.82 0.90
Mathematics
2 answers:
Lesechka [4]4 years ago
6 0

Answer:

0.19

Step-by-step explanation:

____ | <40 | 》40 | Total

< 30 | W | X | 1.0

》30 | Y | Z | 1.0

Total | 0.43 | 0.57 | 1.0

Since W, X, Y and Z are conditions frequency, they can't be negative

Therefore,

W and Y are both less than 0.43

X and Z are both less than 0.57

The only option less than 0.43 is 0.19 (for Y)

GuDViN [60]4 years ago
3 0

Answer:

0.19

Step-by-step explanation:

____ | <40 | 》40 | Total

< 30 | W | X | 1.0

》30 | Y | Z | 1.0

Total | 0.43 | 0.57 | 1.0

Since W, X, Y and Z are conditions frequency, they can't be negative

Therefore,

W and Y are both less than 0.43

X and Z are both less than 0.57

The only option less than 0.43 is 0.19 (for Y)

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3 years ago
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JKLM is a rhombus. KM is 6 and JL is 8. Find the perimeter of the rhombus. image of rhombus JKLM with diagonals JL and KM inters
VLD [36.1K]
If a quadrilateral is a rhombus then:

i) all its sides have equal length,

and

ii) the 2 diagonals are perpendicular and bisect each other.


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4 0
3 years ago
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3 0
4 years ago
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Use the distributive property to find an equivalent expression 2(2x +8)
OleMash [197]

Answer:

2(2 x +8)= 2.(2 x)+ 2(8) =4 x + 16

Step-by-step explanation:

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4 0
3 years ago
PLZ help me with this???
ivann1987 [24]

Answer:

Please read the explanation.

Step-by-step explanation:

I'm going to do this in two ways, the way the example states and the better way.

-18 3/4

-12 1/2

You can do -18 3/4 - (-12 1/2) = -18 3/4 + 12 2/ 4 = -6 1/4. That is the difference in elevation, yes, if you start at the top of the trail and negatives mean you going down.

BUUUTTT, we really have to use absolute value here

Absolute value is basically the amount something is away from 0, or in simpler terms, no negatives exist, all negatives are now positives.

you do |-18 3/4| - |-12 1/2| = 18 3/4 - 12 1/2 = 18 3/4 - 12 2/4 = 6 1/4. I would trust this answer more because I don't exactly understand the example as much

3 0
3 years ago
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