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polet [3.4K]
3 years ago
13

Which of the following represents a valid probability distribution?

Mathematics
2 answers:
elena-14-01-66 [18.8K]3 years ago
6 0

Answer:A

Step-by-step explanation: on edgunity

stepan [7]3 years ago
3 0

Answer:

It's A

Step-by-step explanation:

I just answered the question and got it right

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Read 2 more answers
A new sidewalk will be 5 feet​ wide, 100 feet​ long, and filled to a depth of 3 inches ​(0.25 ​foot) with concrete. How many cub
GarryVolchara [31]

Answer:

4.63 cubic yard.

Step-by-step explanation:

Given,

The length of sidewalk, l = 100 feet,

Width, w = 5 feet,

Depth, h = 3 inches = 0.25 feet,

Thus, the volume of the concrete needed for making the sidewalk,

V=l\times w\times h

=100\times 5\times 0.25

= 125 cubic feet,

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⇒ 1 cubic feet = \frac{1}{27} cubic yard,

Thus, the quantity of concrete needed = \frac{125}{27} ≈ 4.63 cubic yard.

4 0
3 years ago
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