There are 270 sixth grade students and 45 chaperones going on a field trip. How many students would go with each chaperone if di
2 answers:
Answer:
6 students would go with each chaperones going on a field trip.
Step-by-step explanation:
Given : There are 270 sixth grade students and 45 chaperones going on a field trip.
To find : How many students would go with each chaperone if divided equally.
Solution : We have given
Total student = 270 .
Total chaperones going on a field trip = 45.
In each chaperones students will go = .
= 6 students
So, In each chaperones 6 students will go on trip.
Therefore, 6 students would go with each chaperones going on a field trip.
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Answer:
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:
The test statistic is:
Thus, the correct option is (B).