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Alenkasestr [34]
3 years ago
5

The city of Raleigh has 10500 registered voters. There are two candidates for city council in an upcoming election: Brown and Fe

liz. The day before the election, a telephone poll of 450 randomly selected registered voters was conducted. 237 said they'd vote for Brown, 190 said they'd vote for Feliz, and 23 were undecided.a. What is the population of this survey? b. What is the size of the population?c. What is the size of the sample?e. Give the sample statistic for the proportion of voters surveyed who said they'd vote for Brown. f. Based on this sample, we might expect how many of the 9500 voters to vote for Browng. Is this data qualitative or quantitative?
Mathematics
1 answer:
Murrr4er [49]3 years ago
4 0

Answer:

quantitative

Step-by-step explanation:

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1/2,3/6 And 9/18 What two patterns comes next
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it is increasing scale factor of 3

9/18 *3 = 27/54

27/54 * 3 = 81/162

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4 years ago
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Find the unit rate.<br><br> 6,601 plants in 287 rows = _________ plants per row
o-na [289]

Answer:The answer is 9 plants/1 row plants per row.

Step-by-step explanation:

6601/287=9

7 0
3 years ago
Jerry scored 581 points by collecting 7 coins. In all, how many coins does Jerry have to collect to score a total of 996 points?
charle [14.2K]

Answer:

12 coins

Step-by-step explanation:

Points scored by collecting 7 coins = 581

Number of coins required to collect 996 points

Let Number of coins = c

7 coins = 581 points

c coins = 996 points

Cross multiply :

581 * c = 996 * 7

581c = 6972

Divide both sides by 581

581c / 581 = 6972 / 581

c = 12

Hence, number of coins required to collect 996 points is 12

4 0
3 years ago
How long would it take for money to double at 11% interest compounded quarterly?
vlada-n [284]

Answer: Approximately 6.3876 years

When rounding to the nearest whole number, this rounds up to 7 years.

===============================================================

Work Shown:

We'll use the compound interest formula

A = P*(1+r/n)^(n*t)

where,

  • A = amount of money after t years
  • P = initial deposit amount or principal
  • r = interest rate in decimal form
  • n = compounding frequency
  • t = number of years

In this case, we know that,

  • A = 2P, since we want the initial amount to double. P can be any positive real number you want and it doesn't affect the answer.
  • r = 0.11
  • n = 4, since we're compounding 4 times a year
  • t = unknown, what we want to solve for

So,

A = P*(1+r/n)^(n*t)

2P = P*(1+r/n)^(n*t)

2 = (1+r/n)^(n*t)

2 = (1+0.11/4)^(4*t)

2 = 1.0275^(4t)

Ln(2) = Ln(1.0275^(4t))

Ln(2) = 4t*Ln(1.0275)

4t*Ln(1.0275) = Ln(2)

t = Ln(2)/(4*Ln(1.0275))

t = 6.38758965414661

It takes roughly 6.3876 years for the deposit to double. If you need this to the nearest whole number, then round up to 7. We don't round to 6 because then we would come up short of the goal of doubling the deposit.

5 0
3 years ago
A sum of money that is set aside to be spent for a specific purpose is a
Vadim26 [7]

Answer:

A. budget

Step-by-step explanation:

3 0
4 years ago
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