Answer:
C. x = 6
Step-by-step explanation:
6 + 4 = 10
Answer:
The 98% confidence interval for the mean number of hours of study time per week for all students is (20.9, 25.1).
Step-by-step explanation:
Confidence interval:
Sample mean plus/minus the margin of error.
In this question:
Mean of 23.
Margin of error 2.1.
Then
23 - 2.1 = 20.9
23 + 2.1 = 25.1
The 98% confidence interval for the mean number of hours of study time per week for all students is (20.9, 25.1).
4/7 5/8 6/9 are some possible answers
Answer:
b = 2a
Step-by-step explanation:
