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).
I believe there was a typo in the question. The equation states 65, buy the chart states 55. This is not linear at all.
Answer:
135 x 10^7
Step-by-step explanation:
27(5 x 10^7)
probably check before turning in
64000 ounces is equal to 500 liquid gallons