Answer:
1. -60
2. 32
Step-by-step explanation:
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).
Answer:
1
I HOPE I HELPPPPP BRAINLYY PLZZ :))))
The equation is "x=0", because the x intercepts at the x axis with no y-intercept.