Answer:

Step-by-step explanation:
From the question, we have the following condition:

We know that each student who hears the rumor tells it to a student picked at random from the dormitory (excluding, of course, himself/herself and the person from whom he/she heard the rumor)
The 3rd student can therefore tell the rumour to n-2 students but only n-3 will accept it.

Consequently, the 4th student must not tell the 1st and second students.

We can rewrite this to observe a pattern:



Hence, the probability that the rumor is told r times without coming back to a student who has already is:

See attachment for complete question
Answer:
94.33
Step-by-step explanation:
add up all numbers then input into a percentage calculator
Answer:
The volume of the triangular pyramid is (1/3) of the volume of the triangular prism
Step-by-step explanation:
Volume formulas:
Triangular Pyramid Volume = T = (1/3)*h * (base area)
Triangular Prism Volume = P = h * (base area)
P = 3 * T
and T = (1/3)* P
There would be 8 whole(s) in total.
<em>x equals 22</em>
<h2>
Explanation:</h2>
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The Segment Postulate states the following:
<em>Given two end points A and B, a third point C lines on the segment AB if and only if the distances between the points satisfy the equation:</em>

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From the figure:

Our goal is to find x:

<h2>Learn more:</h2>
Dilation: brainly.com/question/2501119
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