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love history [14]
3 years ago
10

Each member of a nine-person committee attends any given meeting of the committee with probability 1/2. What is the probability

that at least two-thirds of the membership of the committee will be present at its next meeting?

Mathematics
1 answer:
Tatiana [17]3 years ago
4 0
A suitable statistics calculator gives the probability that 6 or more show up as being about ...
  0.2539

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The perimeter of a square must be greater than 188 inches but less than 198 inches. find the range of possible side lengths that
Assoli18 [71]
It should be latter A
4 0
3 years ago
a street that is 116 meters long is covered in snow city workers are using a snow plow to clear the street a tire on the snow pl
Yuri [45]
So, we know the snow plow tire turned or went around 29 times, namely 29 revolutions, and recall that one revolution is a 2π angle in radians.

since the tire went around 29 times, so it made an angle of 29 * 2π, or 58π.

we know the street is 116 meters long, namely "an arc made by that 58π angle is 116".

\bf \textit{arc's length}\\\\
s=r\theta ~~
\begin{cases}
r=radius\\
\theta =angle~in\\
\qquad radians\\
------\\
s=116\\
\theta =58\pi 
\end{cases}\implies 116=r58\pi \implies \cfrac{116}{58\pi }=r
\\\\\\
\cfrac{2}{\pi }=r\qquad \qquad\qquad \qquad  \stackrel{\textit{a \underline{d}iameter is twice the radius}}{2\left( \cfrac{2}{\pi } \right)=d\implies \cfrac{4}{\pi }=d}
4 0
3 years ago
What fraction is equal to 2/5??? (answer fast pls ill give you a shoutout)
telo118 [61]

Answer:

4/10

Step-by-step explanation:

:)

5 0
3 years ago
Read 2 more answers
Can someone please explain how to do this ?
prisoha [69]

20=20f\\\\ f=1

1 scoop

6 0
4 years ago
The line that contains the point Q( 1, -2) and is parallel to the line whose equation is
Triss [41]
Let's call this line y=mx+C, whereby 'm' will be its gradient and 'C' will be its constant.

If this line is parallel to the line you've just mentioned, it will have a gradient 2/3. We know this, because when we re-arrange the equation you've given us, we get...

y-4=\frac { 2 }{ 3 } \left( x-3 \right) \\ \\ y-4=\frac { 2 }{ 3 } x-2\\ \\ y=\frac { 2 }{ 3 } x-2+4\\ \\ y=\frac { 2 }{ 3 } x+2

So, at the moment, our parallel line looks like this...

y=(2/3)*x + C

However, you mentioned that this line passes through the point Q(1, -2). If this is the case, for the line (almost complete) above, when x=1, y=-2. With this information, we can figure out the constant of the line we want to find.

-2=(2/3)*(1) + C

Therefore:

C = - 2 - (2/3)

C = - 6/3 - 2/3

C = - 8/3

This means that the line you are looking for is:

y=(2/3)*x - (8/3)

Let's find out if this is truly the case with a handy graphing app... Well, it turns out that I'm correct.

3 0
3 years ago
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