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Mrrafil [7]
4 years ago
15

Exit polling is a popular technique used to determine the outcome of an election prior to results being tallied. Suppose a refer

endum to increase funding for education is on the ballot in a large town​ (voting population over​ 100,000). An exit poll of 300 voters finds that 156 voted for the referendum. How likely are the results of your sample if the population proportion of voters in the town in favor of the referendum is 0.49​? Based on your​ result, comment on the dangers of using exit polling to call elections.
How likely are the results of your sample if the population proportion of voters in the town in favor of the referendum is 0.49​?
The probability that more than 156 people voted for the referendum is
nothing.
​(Round to four decimal places as​ needed.)
Mathematics
1 answer:
SVEN [57.7K]4 years ago
5 0

Answer:

IDK I JUST NEED THE POINTS

Step-by-step explanation:

SORRYY :)

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Galen sold tickets for his church’s carnival for a total of $2,820. Children’s tickets cost $3 each and adult tickets cost $5 ea
Veronika [31]

Answer:

a = 195 ; c = 615

Step-by-step explanation:

So, you want to start by forming your equations...

I will use 'c' for children and 'a' for adults for my variables

3a + 30 = c  

(this is because of the info that 30 more tickets than 3 times the amount of children's were sold than adult)

then for equation 2:

3c + 5a = 2820

(this is because of the prices of the tickets and the total money raised)

Then, plug in the equation for c

Your equation should look like:

3(3a + 30) + 5a = 2820

You get:

(9a +90) + 5a = 2820

Then:

14a = 2730

So:

a = 195 adult tickets sold

Plug in a, to find c:

3 (195) + 30 = c

585 + 30 = c

c = 615 children tickets sold

4 0
3 years ago
Help ASAP thanks! Homework is due tomorrow ;-;
jok3333 [9.3K]

Answer:

C.

Step-by-step explanation:

To find the volume of a cylinder the equation is pi times radius squared times height, the radius is half of the base so the radius is 2.5 inches so you have

pi(2.5)^2 h

3 0
4 years ago
Shade 15/25 of a square
serious [3.7K]

Answer:

15/25 can be simplified to 3/5.

3 0
3 years ago
8:2 in simplest form
Ivanshal [37]

Answer:

4:1

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
There are 8 members on a board of directors. If they must form a subcommittee of 5 members, how many different subcommittee are
Assoli18 [71]

56 different sub-committees are possible

Step-by-step explanation:

When the selection has to be made without order, combinations are used.

The formula for combination is:

C(n,r) = \frac{n!}{r!(n-r)!}

Here,

Total members = n = 8

Members to be selected = r = 5

So,

C(8,5) = \frac{8!}{5!(8-5)!}\\= \frac{8!}{5!}\\=56\ ways

Hence,

56 different sub-committees are possible

Keywords: Combinations, Selection

Learn more about combinations at:

  • brainly.com/question/4639731
  • brainly.com/question/4655616

#LearnwithBrainly

3 0
3 years ago
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