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givi [52]
3 years ago
15

In a recent report, it was stated that the proportion of employees who carpool to their work is 0.14 and that the standard devia

tion of the sampling proportion is 0.0259. However, the report did not indicate what the sample size was. What was the sample size?

Mathematics
1 answer:
natulia [17]3 years ago
7 0

Answer:

n = 179

Step-by-step explanation:

See it in the pic

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8x + 5y = 22<br> -8x + y = 14
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Answer:

Y = 6 X=-1

Step-by-step explanation:

  1. Add the numbers 8x+-8x=0. 5y+y=6y. 22+14=36
  2. So that means 6y=36. So Y would equal 6
  3. Substitute the values it one of the original equations. 8x + 5(6) =22. 8x+30=22
  4. Minus 22 from both sides.
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Answer:

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4 0
3 years ago
FIRST TO ANSWER GETS BRAINLIEST: The average age of one hundred Year 9 students is 14 y 10 m. The average age of one hundred Yea
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Answer:

2) 14 y 2 m

Step-by-step explanation:

Year 9 students: total age= 100* 14 10/12= 1400 +100*5/6= 1483 y 8 m

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Total age of 200 students: 1483 y 8 m + 1350 y= 2833 y 8 m

Average age= 2833  8/12  ÷ 200= (12*2833+8)/12 ÷ 200 = 34004/(12*200)= 34004/2400= 14  404/2400 ≈ 14 1/6 y= 14 y 2 m

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