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sasho [114]
2 years ago
11

HELP!!!! no weird asnwers, legit answers please. p-18=3

Mathematics
1 answer:
Mademuasel [1]2 years ago
3 0
You have to get p by itself so add 18 to Both sides and -18 + 18 is 0 and 18+3 is 21 so p=21
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Step-by-step explanation:

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From a large number of actuarial exam scores, a random sample of scores is selected, and it is found that of these are passing s
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  • The upper limit is 0.7.

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

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

In which

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The lower limit of this interval is:

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.6 - 1.96\sqrt{\frac{0.6(0.4)}{100}} = 0.5

The upper limit of this interval is:

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.6 + 1.96\sqrt{\frac{0.6(0.4)}{100}} = 0.7

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  • The lower limit is 0.5.
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A similar problem is given at brainly.com/question/16807970

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Step-by-step explanation: Im not sure through

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Step-by-step explanation:

si necesita ayuda o necesita responder sus preguntas en cuestión de segundos o minutos, hágamelo saber y lo ayudaré :)

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