Answer:
0.9251?
Step-by-step explanation:
Answer:
The t-critical value for 95% confidence interval is ±2.2621
Step-by-step explanation:
We are given the following information in the question:
Sample size, n = 10
Alpha, α = 0.05
We have to find the value of t-critical at 95% confidence interval.
Degree of freedom = n - 1 = 9
The t-critical value for 95% confidence interval is ±2.2621
Answer: -6.5x+4.4
Step-by-step explanation:
X = 60
90 + 30 = 120
180-120=60