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Dmitry_Shevchenko [17]
3 years ago
12

Write a survey question that might gather the following information: "In one school there are 6 sets of twins, 2 sets of triplet

s, and one set of quadruplets."
Please help, I can't come up with a question.
(BTW; this is about data.)
Mathematics
2 answers:
Varvara68 [4.7K]3 years ago
8 0
How much people are in groups of people?
zlopas [31]3 years ago
7 0
How many twins, triplets, and quadruplets are surveyed in a school?
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an airplane uses 79% of a tank of fuel to fly 1,496 miles. If a full tank holds 996 gallons of fuel, how many gallons would the
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Which is the correct description of the transformation of figure QRST to figure QꞌRꞌSꞌTꞌ?
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Mislabeled seafood In 2013 the environmental group Oceana (usa.oceana.org) analyzed 1215 samples of seafood purchased across the
Step2247 [10]

Using the z-distribution, it is found that the 95% confidence interval for the proportion of all seafood sold in the United States that is mislabeled or misidentified is (0.3036, 0.3564).

<h3>z-distribution interval:</h3>

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 z is the z-score that has a p-value of \frac{1+\alpha}{2}.

For this problem:

  • 1215 samples, hence n = 1215.
  • 33% was mislabeled or misidentified, hence p = 0.33.
  • 95% confidence level, hence\alpha = 0.95, z is the value of Z that has a p-value of \frac{1+0.95}{2} = 0.975, so z = 1.96.

<h3>The lower limit of this interval is:</h3>

\pi - z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.33 - 1.96\sqrt{\frac{0.33(0.67)}{1215}} = 0.3036

<h3>The upper limit of this interval is:</h3>

\pi + z\sqrt{\frac{\pi(1-\pi)}{n}} = 0.33 + 1.96\sqrt{\frac{0.33(0.67)}{1215}} = 0.3564

The 95% confidence interval for the proportion of all seafood sold in the United States that is mislabeled or misidentified is (0.3036, 0.3564).

You can learn more about the use of the z-distribution to build a confidence interval at brainly.com/question/25730047

4 0
3 years ago
Compare the integers –4, –1, 2, and 4.
Naddik [55]

Answer:

-1, -4, 2, 4

Step-by-step explanation:

The are ascending

8 0
3 years ago
Read 2 more answers
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