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Ulleksa [173]
3 years ago
5

Why is this answer correct?​

Mathematics
1 answer:
ohaa [14]3 years ago
4 0
Your answer is highly correct
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The company Drug Test Success provides a "1-Panel-THC" test for marihuana usage. Among 300 tested subjects, results from 27 subj
Sindrei [870]

Answer:

There is evidence for the claim that less than 10% of the test results are wrong

Step-by-step explanation:

Given that the company Drug Test Success provides a "1-Panel-THC" test for marihuana usage.

Among 300 tested subjects, results from 27 subjects were wrong (either a false positive or a false negative.)

Sample proportion = \frac{27}{300} \\=0.09

H0: p = 0.10

Ha: p <0.10

(left tailed test)

p difference = 0.09-0.10 = -0.01

Std error = \sqrt{0.1*0.9/300} \\=0.005196

z statistic = -1.9245

p value = 0.027

Since p <0.05 we reject H0

There is evidence for the claim that less than 10% of the test results are wrong

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3 years ago
4x - y = -4<br> 5x = 2y +1<br> how do I solve this using elimination?
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3x = -9
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3 years ago
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Solve for x. <br> 3x+7 = -x-1
alekssr [168]

Answer: x = -2


Step-by-step explanation: 3x+7 = -x-1; add 1 to both sides: 3x+8=-x; subtract 3x from both sides: 8 = -4x; divide by -4 on both sides: -2 = x


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Is p=2.5(600-500R)+-500 and p=-1250R+1000 a linear or nonlinear function? Explain.
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Answer:

you dumb ...................

Step-by-step explanation:

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3ml is the correct answer becauss 1cm^3 is 1ml
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