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Anna007 [38]
2 years ago
6

Plssss help meeee!!!!!!!​

Mathematics
1 answer:
svp [43]2 years ago
7 0

Answer:

Both ran the same area

Step-by-step explanation:

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Correct option: B

Step-by-step explanation:

The professor can perform a One-mean <em>t</em>-test to determine whether the average score of the students in his class is more than the average score of all the students attending university.

A <em>t</em>-test will be used instead of the <em>z</em>-test because the population standard deviation is not provided instead it is estimated by the sample standard deviation.

The hypothesis for this test can be defined as follows:

<em>H₀</em>: The average score of the students in his class is not more then the entire university, i.e. <em>μ ≤ 35</em>.

<em>Hₐ</em>: The average score of the students in his class is more then the entire university, i.e. <em>μ > 35</em>.

Given:

\bar x=40\\SE_{\bar x}=1.63

The test statistic is:

t=\frac{\bar x-\mu}{SE_{\bar x}}=\frac{40-35}{1.63}=3.0674\approx3.07

Thus, the correct option is (B).

4 0
2 years ago
Which statement about fractions that are equivalent to 1/2 is true?
DochEvi [55]

Answer: MARK BRAINLIEST

These statements are true.

4/5 < 1

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Step-by-step explanation:    

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2 years ago
How many times can a triangle intersect a circle. Answer fast get 1000 points
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that is my understanding wait for wat other rply
Download docx
8 0
3 years ago
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What is the value of the expression?<br> 3⋅[(30−8)÷2+2]
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Step-by-step explanation:

30-8=22

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13 times three is (39)

3 0
3 years ago
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