Answer:
Yes, we can conclude that the ship is older than the national average
Step-by-step explanation:
Population mean, μ = 23.6
Sample mean, xbar = 26.7
Sample size, n = 38
H0 : μ = 23.6
H0 : μ > 23.6
The test statistic :
(xbar - μ) ÷ (σ/√(n))
(26.7 - 23.6) ÷ (5.2/√(38))
3.1 / 0.8435513
Test statistic = 3.675
Decision region :
Reject H0 ; if |Tstatistic| > |Tcritical|
Since we are given the sample standard deviation ; we use the T test distribution
df = 38 - 1 = 37
Tcritical at df = 37 ; α = 0.05 ; rigth tailed :
Tcritical(0.05, 37) = 1.687
3.675 > 1.687 ; Hence, we reject H0 and conclude that there is enough evidence that this type of shop is older than the national average.
Answer: about 78 mL
Step-by-step explanation:
When you see the liquid in a curved shape, you want to look at the very bottom of the curve. The bottom shows that our answer will be in the 70 mL, but close to 80. If you look at the lines in between, we can see that there are 5 lines, meaning each line represents 2 mL. Now, we count up and reach 78 mL.
The equation that represents profit is $40x - $20.
The profit after 5 days in business is $180.
The profit after 10 days in business is $380.
The profit after 10 days in business if revenue is $45 is $430.
<h3>What is profit? </h3>
Profit is total revenue less total cost.
Profit = total revenue - total cost
Profit = $40x - $20
Where:
x = number of days
<h3>What is the total profit after 5 days and 10 days? </h3>
$40(5) - $20
= $200 - $20
= $180
$40(10) - $20
$400 - $20
$380
<h3>What is total profit if revenue is $45? </h3>
$45(10) - $20
= $450 - $20
= $430
To learn more about profit, please check: brainly.com/question/26181966
Answer:
Slope= - 1/2
Step-by-step explanation:
The correct answer is C. Angles 2 and 5.
Angles 2 and 5 are adjacent because they are right next to each other; they have a common side and a common vertex.
