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kolbaska11 [484]
2 years ago
13

The drama club members at Millie’s middle school are selling tickets to the school play. Millie wants to determine the average n

umber of tickets sold. First, she surveyed the club members in her homeroom, and then she surveyed every third member of the club in her physical education class. Which sampling technique should produce a more representative sample? 1.Both samples should be exactly the same. 2.Neither sample will be representative. 3.The first sampling method, surveying drama club members in her homeroom, is the most representative. 4.The second sampling method, surveying drama club members in her physical education class, is the most representative.
Mathematics
2 answers:
loris [4]2 years ago
5 0

Answer:

If you looking for the answer in the first answer its the<em><u> fourth option</u></em>

I recommend not to waste your time

White raven [17]2 years ago
3 0
The first sampling method is Convenient Sampling. It is biased sampling and it is not representative of a random sample.

The second sampling method is Systematic Sampling. If this method of sampling is drawn from the population, it is an efficiently randomized sampling method.

Let us review the given answers.

1. Both samples should be exactly the same.
   INCORRECT

2. Neither sample will be representative.
   Because the second sampling method can be random, this answer is
   INCORRECT.

3. The first sampling method, ..., is the most representative,
   INCORRECT

4. The second sampling method, ..., is the most representative.
    CORRECT
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PilotLPTM [1.2K]

Answer:

The maximum number of pounds of potato salad that Charlie can buy is 0.375

Step-by-step explanation:

see the attached figure to better understand the problem

Let

a ----> the cost of one tuna sandwich

b ----> the cost of a bottle of apple juice

c ----> the cost per pound of potato salad

x ----> pounds of potato salad

we have

a=\$4.25

b=\$2.25

c=\$4.00/lb

we know that

He wants to buy a tuna sandwich, a bottle of  apple juice, and x pounds of potato salad and can spend up to $8

The inequality that represent this situation is

a+b+cx \leq 8

substitute the given values

4.25+2.25+4.00x \leq 8

Solve for x

Combine like terms

6.50+4.00x \leq 8

Subtract 6.50 both sides

4.00x \leq 8-6.50

4.00x \leq 1.50

Divide by 4 both sides

x \leq 1.50/4.00

x \leq 0.375\ lbs

therefore

The maximum number of pounds of potato salad that Charlie can buy is 0.375

3 0
2 years ago
You are planning to take a group of friends to the movies for your birthday. The local movie theater charges $12.99 per person.
aleksley [76]
13 times 4 is 52
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7 0
2 years ago
Read 2 more answers
Triangle ABC is a right triangle and cos(22.6o)=StartFraction b Over 13 EndFraction. Solve for b and round to the nearest whole
Art [367]

Answer:

a = 5 and b = 12

Step-by-step explanation:

<u>Step 1: Find angle B</u>

<em>Angle C = 90°</em>

<em>Angle A = 22.6°</em>

<em>Angle B = B</em>

<em>All angles in a triangle are equal to 180°.</em>

Angle A + Angle B + Angle C = 180°

22.6 + 90 + B = 180°

B = 180 - 112.6

B = 67.4°

<u>Step 2: Find the value of side AC 'b'</u>

<em>Hypotenuse = 13</em>

<em>Adjacent = b</em>

<em>Angle A = 22.6°</em>

Cos (Angle) = Adjacent/Hypotenuse

Cos (22.6) = b/13

b = 12

<u>Step 3: Find the value of side CB 'a'</u>

<em>Hypotenuse = 13</em>

<em>Opposite = a</em>

<em>Angle A = 22.6°</em>

Sin (angle) = Opposite/Hypotenuse

Sin (22.6°) = a/13

a = 4.99 rounded off to 5

Therefore, the value of a=5 and b=12.

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8 0
2 years ago
Read 2 more answers
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djyliett [7]
Owen: 5x + 6y = $28.75
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7 0
2 years ago
Evaluate (42)(43)(8-3) 2 .
Dafna1 [17]

Answer: 18060

<u>Step 1</u>

1806(8−3)(2)

<u>Step 2</u>

(1806)(5)(2)

<u>Step 3</u>

(9030)(2)

6 0
2 years ago
Read 2 more answers
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