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RideAnS [48]
3 years ago
10

A Medical Terminology course has 150 total students. On the first exam 96 students passed. What is the percentage of students th

at did not pass the first medical terminology exam?
Mathematics
2 answers:
Natalija [7]3 years ago
5 0
36% did not pass the exam
konstantin123 [22]3 years ago
4 0

The Medical Terminology course has 150 total students. On the first exam 96 students passed.

The number of students on average who did not pass the exam is

150-96=54.

The percentage of students that did not pass the first medical terminology exam is

\frac{54}{150} *100\%=36\%.



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When flying at an altitude of 5 miles, the lines of sight to the horizon looking north and south make about a 173.7 degree angle
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A random sample of 50 recent college graduates results in a mean time to graduate of 4.58 years, with a standard deviation of 1.
Anna007 [38]

Answer:

The 90% confidence interval for the mean time to graduate with a bachelor’s degree is (4.32, 4.84).

Yes, this confidence interval contradict the belief that it takes 4 years to complete a bachelor’s degree.

Step-by-step explanation:

The (1 - <em>α</em>)% confidence interval for population mean <em>μ, </em>when the population standard deviation is not known is:

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The information provided is:

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*Use a <em>t</em>-table for the probability.

Compute the 90% confidence interval for population mean <em>μ</em> as follows:

CI=\bar x\pm t_{\alpha/2, (n-1)}\times \frac{s}{\sqrt{n}}

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If a hypothesis test is conducted to determine whether it takes 4 years to complete a bachelor’s degree or not, the hypothesis will be:

<em>Hₐ</em>:<em> </em>The mean time it takes to complete a bachelor’s degree is 4 years, i.e. <em>μ </em>= 4.

<em>Hₐ</em>:<em> </em>The mean time it takes to complete a bachelor’s degree is different from 4 years, i.e. <em>μ </em>≠ 4.

The decision rule based on a confidence interval will be:

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The 90% confidence interval for the mean time to graduate with a bachelor’s degree is (4.32 years, 4.84 years).

The null value, i.e. <em>μ </em>= 4 is not included in the interval.

The null hypothesis will be rejected at 10% level of significance.

Thus, it can be concluded that that time it takes to complete a bachelor’s degree is different from 4 years.

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