3 years ago

Please help (ITS FOR 10 POINTS) its all i have left plsssss

Mathematics

1 answer:

MAVERICK [17]3 years ago

7 0

Answer:

i think d not 100% sure but good luck

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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Rudiy27

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4 years ago

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Two less than the product of three and a number is greater than 9 times the opposite of the number.

djyliett [7]

Answer:

3x-2>9(-x)

Step-by-step explanation:

(sorry if I got it wrong for u)

3x-2>9(-x)

3x-2>-9x+0

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+2+2

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/12 /12

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3 years ago

A researcher claims that the incidence of a certain type of cancer is less than 5%. To test this claim, the a random sample of 4

DedPeter [7]

Answer: The test statistic value is -0.95.

Step-by-step explanation:

Since we have given that

$H_0:p=0.05\\\\H_a:p$

Here, n = 4000

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So, $\hat{p}=\dfrac{170}{4000}=0.0425$

So, Test statistic value would be

$\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}\\\\=\dfrac{0.0425-0.05}{\sqrt{\dfrac{0.5\times 0.5}{4000}}}\\\\=-0.95$

Hence, the test statistic value is -0.95.

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4 years ago