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Dafna11 [192]
3 years ago
11

Sharon's town has 790 households. She wanted to find out how many of them turn out the lights on Halloween each year to avoid vi

sitors. She randomly surveyed 150 households in various neighborhoods. Out of the 150 households she surveyed, 35 of them said they turn out the lights each year on Halloween. To the nearest percent, the estimated population proportion of households that turn out the lights each year on Halloween is %.
Mathematics
2 answers:
MAXImum [283]3 years ago
6 0

We have been given that the total number of households she surveyed = 150

Now, out of 150, 35 of them said they turn out the lights each year on Halloween.

Now, in order to find the percentage of households that turn out the lights each year on Halloween, we will divide 35 by 150 and then multiply the result with 10.

Thus, we the required percentage is given by

\frac{35}{150} \times 100\\
\\
=\frac{7}{30} \times 100\\
\\
=\frac{70}{3} \\
\\
=23.33\%

Therefore, to nearest percent is 23%.

Hence, the estimated population proportion of households that turn out the lights each year on Halloween is 23%

BigorU [14]3 years ago
3 0

Answer:

23%

Step-by-step explanation:

edgu 2020

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5 0
3 years ago
Solve for z<br> 4/z =<br> 12/5 <br> what is z
Verdich [7]

Answer:

5/3      = z

Step-by-step explanation:

You can use proportions to figure this out.

Imma solve this as I work through it.

So

4/z is equal to 12/5. So you can do something called the butterfly method (I have never used this before, but it works tho) and the method involves only multiplication and division.

Lemme clean this up for ya

The butterfly method involves multiplying in a cross format on both sides, so the

4                       12

__        =      ______

z                          5

becomes 4 times 5, and z times 12.

4 times 5 is 20, and z times 12 is 12z

so you now have 20 = 12z

Lets simplify the equation by dividing by 4s

20 divided by 4 is 5 and 12z divided by 4 is 3z

so

5 = 3z

You can divide again

by dividing both sides

by

3

to get the unit rate of z.

It will be a fraction though

and it won't look pretty

but here it is:

5

__  = z

3

So

It is

5/3

Hope this helps

and hope you get a laugh out of this

yeeha

7 0
2 years ago
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