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2 years ago

10

Gieo 120 hạt giống của một loại cây thấy có 15 hạt nảy mầm. Với độ tin cậy 95% hãy tìm ước lượng khoảng cho tỷ lệ nảy mầm của lo

ại hạt giống đó.
Mn giúp mình với ạ

1 answer:

rosijanka [135]2 years ago

6 0

Answer:

sorry can't understand the language

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<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7Bx%7D%7B19%7D%20%20%3D%206" id="TexFormula1" title=" \frac{x}{19} = 6" alt=" \fra

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[ Answer ]

$\boxed{X \ = \ 114}$

[ Explanation ]

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Multiply Both Sides By 19

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Check Your Work:

$\frac{114}{19}$

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$\boxed{[ \ Eclipsed \ ]}$

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