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inessss [21]
3 years ago
11

What is "theoretical probability"? What is "experimental probability"? What's the difference?​

Mathematics
2 answers:
nignag [31]3 years ago
4 0

Theoretical probably is what you would expect to happen.

Example, flipping a coin has a 50% chance of landing on heads, so if you flipped a coin 100 times, theoretically the coin would land on heads 50 times ( 50%).

Experimental probablity is what actually happens. Using the coin example, flipping the coin 100 times, it could actually land on heads 100 times or any number of times from 0 to 100.

bazaltina [42]3 years ago
4 0

Hello There! Theoretical probability deals with events happening in theory. It is what is expected t happen.

Experimental probability is a little different. This is based on the number of repeated trials during an experiment.

The difference is Theoretical probability is what you expect to happen

Experimental probability is what actually ends up happening.

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Cylinders A and B are similar. The volume of cylinder A is 20mm3. Calculate the volume of cylinder B.
MrRa [10]

The question is incomplete. The complete question is :

Cylinders A and B are similar. The length of the cylinder A is 4 mm and the length of cylinder B is 6 mm. The volume of cylinder A is 20mm3. Calculate the volume of cylinder B.

Answer:

67.5 mm^3

Step-by-step explanation:

Given that :

Cylinder A and cylinder B are similar.

Let volume of cylinder A = 20 mm^3

We know the volume of a cylinder is given by V = $\pi r^2 h$

where, r is the radius of the cylinder

            h is the height of the cylinder

We have to find the scale factor.

The length scale factor is = $\frac{6}{4}$

                                          $=\frac{3}{2}$

Area scale factor $=\left(\frac{3}{2}\right)^2$

                           $=\frac{9}{4}$

∴ Volume scale factor $=\left(\frac{3}{2}\right)^3$

                                     $=\frac{27}{8}$

Therefore, the volume of cylinder B is $=20 \times \frac{27}{8}$

                                                               = 67.5 mm^3

5 0
3 years ago
Find the value of x.
PIT_PIT [208]

Answer:

Step-by-step explanation:

180 = 7x +2  + 7x + 2  + 180 - (17x -23)

180 = 14x +4 + 180 -17x +23

180 = -3x +207

3x = 27

x = 9

4 0
3 years ago
If the actual distance between two cities is 52 kilometers (km), then the distance on the map would be ? cm
lys-0071 [83]
Your answer in cm would be 5,200,000.
As 1km=100,000 cm
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3 years ago
Which of the following is equal to 5 4/9? The answers are:
madam [21]

Answer:

5.4

Step-by-step explanation:

First work out 4/9 this is the same thing as 4 ÷ 9 which equals 0.44444

and then add the whole number 5 so,

5 + 0.44444 = 5.44444

3 0
3 years ago
How do you add decimals? I need 2 Examples (not from the internet)
zalisa [80]

well These are the Images on how to add decimals.

4 0
3 years ago
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