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Ghella [55]
3 years ago
14

You are doing research on balance and fitness. To complete this research you will need a watch with a second hand. Identify a ra

ndom sample of n = 12 men and n = 8 women. You must answer this question: How do you establish that this sample is truly random?
Mathematics
1 answer:
Dafna1 [17]3 years ago
7 0

Answer:

Step-by-step explanation:

In order to establish that the sample is truly random you need to obtain two main factors. First, is making sure that the random sample of both groups chosen (men and women) are equal in proportion to the overall population. Meaning both groups must be the same percentage of the overall population of the same gender. The second factor that you need to make sure of is that all chosen individual's had the exact same probability of being chosen from the population and no external factor influenced the probability of them being chosen for the study.

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Jenny's Coffee Shop makes a blend that is a mixture of two types of coffee. Type A coffee costs Jenny $4.40 per pound, and type
postnew [5]

Answer:

221 pounds of type A coffee

Step-by-step explanation:

$4.40 x 221 = $972.4

Hope this helped! :)

7 0
3 years ago
An 8% decrease from 5 per hour is
Vikentia [17]

Answer:

4.6 per hour

Step-by-step explanation:

Decrease, means subtraction; 100% - 8% = 92%, or 0.92.

0.92(5) = 4.6 per hour

7 0
3 years ago
A quadratic function
lukranit [14]

Since g(x) is a transformation of f(x) and the "-3" is outside the f(x) notation, the transformation will effect the y-values of the points on the graph of f(x).

What will subtracting 3 from every y-value of every point on the graph of f(x) do to the graph?

And more specifically, what will that do to the vertex that was at the point (3,5)?

3 0
3 years ago
a house that costs 200000 will appreciate in value by 3% each year. find the value of the house after 3 years
soldier1979 [14.2K]

Answer:

The cost of the house after 3 years is $218,545.40

Step-by-step explanation:

To find the value of this house after 3 years, multiply the cost by 1.03 three times. This will give you a 3% increase.

200,000 * 1.03 = 206,000

206,000 * 1.03 = 212,180

212,180 * 1.03 = 218,545.40

4 0
3 years ago
Please Help ASAP!!!!!!!!
myrzilka [38]

Answer:

D

Step-by-step explanation:

3 0
3 years ago
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