Answer:
x=0
Step-by-step explanation:
Answer:
Step-by-step explanation:
given that a certain test preparation course is designed to help students improve their scores on the LSAT exam. A mock exam is given at the beginning and end of the course to determine the effectiveness of the course. The following measurements are the net change in 6 students' scores on the exam after completing the course:
We find
Mean 13.66666667 = 13.7
Standard Error 1.801234145
Margin of error for 90% = 1.645*std error = 2.963
Confidence interval = Mean ±Margin of error
=(10.704, 16.630)
Sample mean = 13.7
Answer:
$16.50
Step-by-step explanation:
8.5 miles is rounded up to 9
3 + 1.5(9)
3 + 13.5
16.5
I think you hat to multiple
