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Hunter-Best [27]
3 years ago
11

A gym is considering changing its operating hours at multiple locations in a city. The gym management wants to know what percent

of its 4367 members would utilize the new hours of operation, so they plan to survey 500 members.
What is the best way to randomly choose these 500 members?

Let the gym management decide which members should be surveyed.

Enter all members' names into a computer software program that will randomly pick the 500 members.

Pick a letter from the alphabet and the first 500 members whose first or last name begins with that letter will be in the survey.

Choose the 500 members who have the highest attendance rates in the gym.4

Mathematics
2 answers:
Marrrta [24]3 years ago
5 0
You don't need the names since there is 4367, and that would only be about 1/9th of the whole amount of members, so b is out of the question. you need average people to make it, so d is out of the question, and picking a random letter out of the alphabet is as arbitrary as a, but you are adding the effect of Inconsistency so I would say Let the gym management decide which members should be surveyed is the right answer
Anni [7]3 years ago
3 0

The correct answer was:

Enter all members' names into a computer software program that will randomly pick the 500 members.

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Please help!!
dexar [7]

Answer:C

Step-by-step explanation: You want to add up all the marbles, and then take the red marbles and divide by all the marbles 7/20

8 0
2 years ago
El área de un cuadrado es de 625cm. Averigua cuánto mide el lado y cuánto mide el perímetro del cuadrado
Rzqust [24]

Respuesta:

Largo del lado = 25cm

Perímetro = 100 cm

Explicación paso a paso:

Área de un cuadrado = L²

L es la longitud del lado del cuadrado

Dado

Área del cuadrado = 625sq. cm

625 = L²

L = √625

L = 25

Por lo tanto, el lado mide 25 cm de largo.

Perímetro del cuadrado = 4L

Perímetro del cuadrado = 4 (25)

Perímetro del cuadrado = 100cm

Por lo tanto, el perímetro del cuadrado es de 100 cm.

4 0
3 years ago
Read 2 more answers
PLEASE HELP I GIVE 100 POINTS!!
balandron [24]

9514 1404 393

Answer:

  1.  b. The common difference is 0.39

  2.  no good answer (Zach's method is exponential; Victoria's is linear)

Step-by-step explanation:

1. The differences in mileage are ...

  24.39 -24 = 0.39

  24.78 -24.39 = 0.39

  25.17 -24.78 = 0.39

The common difference is 0.39.

____

2. Zach's monthly times are ...

  10, 20, 40, 80

The differences are ...

  10, 20, 40

The ratios are ...

  20/10 = 40/20 = 80/40 = 2

Zach's times have a common ratio, so are exponential.

__

Victoria's monthly times are ...

  35, 50, 65, 80

The differences are ...

  15, 15, 15

Victoria's times have a common difference, so are linear.

__

The choices are ...

  a. both exponential; common factor . . . . correct for Zach; not for Victoria

  b. Zach's is linear (has equal factor) . . . incorrect

  c. both exponential; common difference . . . incorrect

  d. Victoria's is linear . . . . correct for Victoria

Choice D describes Victoria's method. Choice A is correct regarding Zach's method, but incorrect regarding Victoria's.

Choices B and C are not self-consistent, so are incorrect on their face.

There is no good choice.

4 0
2 years ago
Read 2 more answers
Write a linear function f with the values f(−1)=8 and f(5)=6.<br><br> A function is f(x)=
german

9514 1404 393

Answer:

  f(x) = -1/3x +23/3

Step-by-step explanation:

You can use the linear regression function of a graphing calculator or spreadsheet to show you the equation of the line through these points:

  f(x) = -1/3x +23/3

__

Approaching this in the usual way, we recognize we have points ...

  (-1, 8) and (5, 6)

The slope of the line through those points is ...

  m = (y2 -y1)/(x2 -x1)

  m = (6 -8)/(5 -(-1)) = -2/6 = -1/3

Then the point-slope equation of the line is ...

  y - 8 = -1/3(x +1)

Adding 8 gives us a form we can use for a function definition:

  f(x) = -1/3(x +1) +8

  f(x) = -1/3x +7 2/3

8 0
2 years ago
Help asap pls and ty
BabaBlast [244]
The answer I got is (-6,-2) the x value is -6
7 0
3 years ago
Read 2 more answers
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