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
Answer:
8.125 inches
Step-by-step explanation:
Ok so basically what you needed to do was this
Find out what was the value like this 3 1/4 = 3.25 and 2 1/2 = 2.5
Then you will do
3.25 x 2.5 and get your answer
8.125
There you go! Have a Wonderful Day
Answer:
It's 28.26
Step-by-step explanation:
Multiply 3.14 x 3 x 3 then you'll get the answer.
Answer:
let the number be X
Step-by-step explanation:
(x - 9)/4 = 5
or. x - 9 = 5 × 4
or. x = 20 + 9
x = 29
Answer:
1,047
Step-by-step explanation:
n = distance from Boston to St. Louis
2410 is 230% of n
2410 = 2.3n
2410/2.3 = n
1,047 miles = n