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alexandr402 [8]
3 years ago
11

Ktoś mi pomoże s tą stroną?

Mathematics
1 answer:
astra-53 [7]3 years ago
5 0

Answer:

Is there an English translation?

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An article reported that, in a study of a particular wafer inspection process, 356 dies were examined by an inspection probe and
Ahat [919]

Answer:

(0.4062, 0.5098)

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence interval 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

Z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}

For this problem, we have that:

356 dies were examined by an inspection probe and 163 of these passed the probe. This means that n = 365 and \pi = \frac{163}{356} = 0.458

Assuming a stable process, calculate a 95% (two-sided) confidence interval for the proportion of all dies that pass the probe.

So \alpha = 0.05, z is the value of Z that has a pvalue of 1 - \frac{0.05}{2} = 0.975[tex], so [tex]z = 1.96.

The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.458 - 1.96\sqrt{\frac{0.458*0.542}{356}} = 0.4062

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.458 + 1.96\sqrt{\frac{0.458*0.542}{356}} = 0.5098

The correct answer is

(0.4062, 0.5098)

5 0
3 years ago
Read 2 more answers
If f(x)=4x+3 and g(x)=-2x+9, is f(x)-(-g(x)) equivalent to f(x) + g(x)? PLEASE HELP I GIVE BRAINLIEST
Veseljchak [2.6K]
The answer is YES because of the triple negative and double negative
6 0
3 years ago
2 MATH QUESTIONS PLUS BONUS QUESTION HURRY PLEASE I NEED HELP!!!!!!!!!!!!!!!!!!!!!!!!!
Stolb23 [73]
He would need to answer 13 or 10 depending on if he does them all or not 
4 0
3 years ago
Plz help me thanks soo much and explain too :)
Yanka [14]

Answer:

f(0) = 14

Step-by-step explanation:

Given

f(x) = \left \{ {{|x - 8| + 6 \ x

Required

Find f(0)

From the piecewise function, we have the following as values of f(x):

f(x) = |x - 8| + 6

If x < 4

f(x) = 15

If x \ge 4\\

f(0) implies that x =0 and 0

So, we make use of the first function, which is:

f(x) = |x - 8| + 6

Substitute 0 for x in f(x) = |x - 8| + 6

f(0) = |0 - 8| + 6

f(0) = |- 8| + 6

|-8| = 8

So, the expression becomes

f(0) = 8 + 6

f(0) = 14

<em></em>

<em>Hence, the value of f(0) is 14</em>

7 0
3 years ago
What does this mean?<br> "9!"<br> I did not learn this yet.
Serhud [2]

Answer: 9 means "Parent watching"

hope this helps

6 0
3 years ago
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