Answer:
<em> 85% level of the confidence interval is</em>
<em>(26.337, 26.662)</em>
Step-by-step explanation:
<u><em>Explanation</em></u>:-
Given the size of the sample 'n' = 295
Mean of the sample x⁻ = 26.5
The Standard deviation of the Population = 2.7
85% level of the confidence interval is determined by
Critical value Z₀.₁₅ = 1.036
<em> 85% level of the confidence interval is determined by</em>
( 26.5 - 0.1628 , 26.5+0.1628)
(26.3372,26.6628)
Answer:
miles divided by gallons
car A= 115÷5=23 miles per gallon
car B= 126÷6=21 miles per gallon
Car A gets better gas mileage.
Answer:
$618.24
Step-by-step explanation:
The area of the room is 224. Then for each square feet is 2.76 do multiplying that you get the answer.
Answer:
n=7 or n=-7
Step-by-step explanation:
7 miles
Explanation: If 1 inch = 1 mile, then 7 inches is 7 miles.