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4vir4ik [10]
3 years ago
8

Someone explain thissss

Mathematics
2 answers:
VLD [36.1K]3 years ago
8 0
N equals twenty nine
malfutka [58]3 years ago
5 0
(Is the '2.' part of the question or is that the question number?)

n x 8 = 8 x 29

Equivalent to:
8n = 232

Divide both sides by 8:
n = 29

Hope it helped :)
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2 years ago
drug sniffing dogs must be 95% accurate in their responses because their handlers don't want them to miss durgs and also don't w
GenaCL600 [577]

Answer:

95% Confidence interval:  (0.8449,0.9951)

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 50

Number of times the dog is right, x = 46

\hat{p} = \dfrac{x}{n} = \dfrac{46}{50} = 0.92

95% Confidence interval:

\hat{p}\pm z_{stat}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

Putting the values, we get:

0.92 \pm 1.96(\sqrt{\dfrac{0.92(1-0.92)}{50}})\\\\ = 0.92\pm 0.0751\\\\=(0.8449,0.9951)

(0.8449,0.9951) is the required 95% confidence interval for the proportion of times the dog will be correct.

7 0
3 years ago
Which statement about the data in the table shown is true?
nalin [4]

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Step-by-step explanation:

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Ira Lisetskai [31]
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to solve ?, Pythagorean theorem must be applied
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Manipulating the equation to find the adjacent value = ?

adjacent = sqrt(hypotenuse^2 - opposite^2) = sqrt(9-4)
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so cos ø = sqrt(5)/3, tan ø = 2/sqrt(5) and sec <span>ø = 3/sqrt(5) since the value is positive the possible equivalent trigonometric function should be positive, the answer should be b </span>

3 0
3 years ago
Read 2 more answers
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