Answers
Solution :
1)
P-value > 0.05
We did not find enough evidence to say the true average flight cost is less than $458.78.
Option b )
2)
This is the two tailed test .
The null and alternative hypothesis is :
H_{O}: μ_{1} = μ_{2}
H_{A}: μ_{1} ≠ μ_{2}
Option 5)
3)
Test Statistic: -0.943, P-Value: 0.8256 Option 3 |