Can you help me with this
1 answer:
Answer:
1) C.
2) B.
Step-by-step explanation:
1)
<u>2 times a number</u>
<u>Plus 8</u>
<u>Is more than 12</u>
2)
You subtract 8 by 8 and 12 by 8.
Then you divide 2 by itself and do 4 divided by 2.
The dot on your numberline should be open and the arrow should extend all the way to the right. The dot should be on the 2.
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Answer:
There is statistical evidence at 95% level to claim that students attend more than 2 classes per quarter
Step-by-step explanation:
Given that one instructor believes that students take more than 2 classes per quarter on average. Let X be the no of classes students take.
(Right tailed test at 5% significance level)
Mean difference =
Std error =
Test statistic t = mean diff/std error = 1.84
p value =0.039
Since p <0.05, we reject null hypothesis.
There is statistical evidence at 95% level to claim that students attend more than 2 classes per quarter