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Answer: 0.8137
Step-by-step explanation:
As per given , we have
Sample size : n= 47
Let be the sample mean o.
Then, the probability that the mean of a sample of 47 families will be between 16.6 and 17.6 pounds will be :
[∵ ]
[By using p-value calculator]
Hence, the probability that the mean of a sample of 47 families will be between 16.6 and 17.6 pounds= 0.8137
Answer: 4
<u>Step-by-step explanation:</u>
A = r²θ
50 = (5)²θ
100 = (5)²θ
100 = (25)θ
4 = θ
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Answer: 1570.80 cm²
<u>Step-by-step explanation:</u>
A = r²θ
A = (100)²
A = 500π
A = 1570.80
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Answer: 19.63 m²
<u>Step-by-step explanation:</u>
A = r²θ
= (5)²
=
= 19.63
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Answer: 15°
<u>Step-by-step explanation:</u>
180 = 12x
15 = x
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Answer: A
<u>Step-by-step explanation:</u>
Quadrant I: 0° - 90°
Quadrant II: 90° - 180°
Quadrant III: 180° - 270°
Quadrant IV: 270° - 360°
255° is in Quadrant III