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____ [38]
3 years ago
5

Do you agree or disagree with the following statement? Explain your reasoning. "Since the speed of the ball is different at each

position, there is no way to define probability density because I can’t calculate the probability at just one point."
Mathematics
1 answer:
xz_007 [3.2K]3 years ago
8 0

Answer:

I disagree with the statement.

Step-by-step explanation:

Speed of the ball is different at each position:

This rhymes with the laws of physics because a ball placed at a certain height or on a certain slope will have a different speed (when thrown or rolled down) from a ball placed at a different height or on a different position on a plane.

There is no way to define probability density because i can't calculate the probability at just one point:

This statement is self-opposing as probability density is meant for times when probability value cannot be calculated or found for every given point! It is meant for continuous variables such as the one you're dealing with here - speed. The way to do this is to derive a probability density value for the variable in question (speed of the ball) for specific position intervals. Hence, divide the positions into intervals e.g.

A - B,   B - C,   C - D and so on.

So, probability density is used when you cannot the probability at just one point.

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Answer:

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Step-by-step explanation:

it says 70 pencils so 70 represents pencils

Hope this helps plz hit the crown :D

7 0
3 years ago
Given the graph of the quadratic function, identify the solutions.
Veronika [31]
<h3>Answer:  -6 and 0</h3>

Explanation:

The solutions, or roots, are the x intercepts of the graph. This is where the curve crosses or touches the x axis. In this case, the two x intercepts are -6 and 0.

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3 years ago
Consider the differential equation4y'' − 4y' + y = 0; ex/2, xex/2.Verify that the functions ex/2 and xex/2 form a fundamental se
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Step-by-step explanation:

Let y1 and y2 be (e^x)/2, and (xe^x)/2 respectively.

The Wronskian of them functions be

W = (y1y2' - y1'y2)

y1 = (e^x)/2 = y1'

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W = (1/4)(x + 1)e^(2x) - (1/4)xe^(2x)

= (1/4)(x + 1 - x)e^(2x)

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Since the Wronskian ≠ 0, we conclude that functions are linearly independent, and hence, form a set of fundamental solutions.

8 0
3 years ago
68 out of 80 in percentage, fraction, and decimal
Andru [333]
So first lets do the fraction: 68/80. This is probably the most simple part, but if you want to simplify it you could go all the way down to 17/20.
For decimalthen you divide 68 by 80, and that is .85!   Then to get your percentage, you multiply it by 100 and end up with 85%.

Percent: 85%
Fraction: 68/80 or 17/20
Decimal: 0.85
Hope this helps!
6 0
4 years ago
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it rained 6 1/4 or 6.25 inches in two days

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