Answer:
Could you rewrite this question in english so we can understand what is being asked? Thank you!
Step-by-step explanation:
Answer:
The 80% confidence interval for difference between two means is (0.85, 1.55).
Step-by-step explanation:
The (1 - <em>α</em>) % confidence interval for difference between two means is:

Given:

Confidence level = 80%

*Use a <em>t</em>-table for the critical value.
Compute the 80% confidence interval for difference between two means as follows:

Thus, the 80% confidence interval for difference between two means is (0.85, 1.55).
Answer:
its the first one or the last one
Step-by-step explanation:
i got the same thing on the graph sry
x=9
Add 6 to both sides of the equation. x = 3 + 6
Add 3and 6.
x=9
Answer:1
Step-by-step explanation: