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Kisachek [45]
3 years ago
11

What does networking mean as it refers to the job search

SAT
1 answer:
GuDViN [60]3 years ago
5 0

The answer to your question is A

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The manufacturer of a certain type of new cell phone battery claims that the average life span of the batteries is 500 charges;
Tatiana [17]

Based on the information given, it should be noted that a 95% confidence means we are at least 95% sure that the true value of proportion will lie in the interval.

<h3>What does the confidence level mean?</h3>

When we repeat the sampling 100 times and draw a confidence Interval for each one of them, at least 95 confidence intervals will contain the true value of the proportion. This is what we mean by being 95% confident

Also, when we have a random sample of 5. It implies that the condition of randomness is met and they are independent as well. Since the sample size is very small, the condition of a large sample is not satisfied.

Learn more about confidence level on:

brainly.com/question/15712887

8 0
3 years ago
If you want to obtain a class e license before you turn 18 you must
Ilia_Sergeevich [38]
If you want to obtain a Class E license before you turn 18, you must be in compliance with school attendance requirements.
7 0
3 years ago
Students in a statistics class are conducting a survey to estimate the mean number of units students at their college are enroll
Andrew [12]

Using the t-distribution, as we have the standard deviation for the sample, it is found that the 95% confidence interval for the number of units students in their college are enrolled in is (11.7, 12.7).

<h3>What is a t-distribution confidence interval?</h3>

The confidence interval is:

\overline{x} \pm t\frac{s}{\sqrt{n}}

In which:

  • \overline{x} is the sample mean.
  • t is the critical value.
  • n is the sample size.
  • s is the standard deviation for the sample.

The critical value, using a t-distribution calculator, for a two-tailed <em>95% confidence interval</em>, with 49 - 1 = <em>48 df</em>, is t = 2.0106.

Hence:

\overline{x} - t\frac{s}{\sqrt{n}} = 12.2 - 2.0106\frac{1.6}{\sqrt{49}} = 11.7

\overline{x} + t\frac{s}{\sqrt{n}} = 12.2 + 2.0106\frac{1.6}{\sqrt{49}} = 12.7

The 95% confidence interval for the number of units students in their college are enrolled in is (11.7, 12.7).

More can be learned about the t-distribution at brainly.com/question/16162795

4 0
3 years ago
3. An AP coordinator in an urban school district mandates that AP students take a practice exam, called a Mock Exam, in the spri
lesantik [10]

Answer:

Since this is means data and we do not know the populations standard deviation, a t-interval

needs to be used. The justification is found in checking the conditions needed for a t-interval. The

problem stated it was a random sample so we will assume this is sufficient. Since the sample size is

slightly under 30, we will still check for the data being roughly normal. Either a boxplot or normal

probability plot would suffice. In both cases there is no reason to doubt the sample data are roughly

normally distributed so we can proceed to the calculations.

The interval would be (69, 76)

Explanation:

Hope this helps if this happens to be wrong tell me

6 0
3 years ago
As fields of study, the humanities emphasize analysis and
Marianna [84]

Answer:

As fields of study, the humanities emphasize analysis and exchange of ideas rather than the creative expression or the quantitative explanation of sciences You know such as History, Anthropology, and Archaeology study human social, political, and cultural development. :)

Explanation:

6 0
2 years ago
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