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Ghella [55]
2 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]2 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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What is the addition for -28+(-40)
Olin [163]

Answer:

-68

Step-by-step explanation:

-28 + - 40 =

2 + 4 = 6

8 + 0 = 8 making

-68

hope this helped

5 0
2 years ago
Read 2 more answers
Apples are 94 cents a pound, and pears are $1.22 a pound. write an expression for the total cost, in dollars, of a pounds of app
sineoko [7]
1 apple: 94 cents = 0.94 dollars
a apples: 0.94 ×a= 0.94a
p pears: 1.22× p= 1.22p
total: 1.22p + 0.94a
hope it helps!
4 0
2 years ago
Read 2 more answers
The length of a rectangular prism is 4√3 units. The height is 3√6 units. If the volume is irrational, which could be the measure
Jet001 [13]
Volume = length * height * width
             =   4 qrt3 + 3 sqrt6 * w
              = 12 sqrt18 w

let w = 2 sqrt50 then volume =  2*12 *  sqrt 18*50  = 24*30  so this is rational

let w =  4 sqt 12 the v = 48  sqrt12 * sqrt 18 = 48 sqrt30  which is irrational

C and D are rational  
answer is B
8 0
3 years ago
In the parallelogram below find why
Mkey [24]
Angle E=130degrees because those two are congruent. Therefore if you 180-130 you'll get the other angle in the triangle with 70degrees and y. 180-130=50degrees. Then add 50 and 70. 50+70=120degrees. A triangle is supposed to have 180 degrees inside.
180-120=60degrees.
Therefore y=60degrees
8 0
2 years ago
Wade’s grandmother gave him $100 for his birthday. Wade wants to save his money to buy a portable game console. Each month, he a
olga_2 [115]

Answer:

S = 100+25m

Step-by-step explanation:

8 0
2 years ago
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