Answer:
Option a) [5.567, 5.633]
Step-by-step explanation:
We are given the following in the question:
Sample mean, = 5.6 feet
Sample size, n = 27
Alpha, α = 0.10
Sample standard deviation, s = 0 .1 feet
90% Confidence interval:
Putting the values, we get,
Option a) [5.567, 5.633]
Answer:
Devin will donate <u>$67.5</u> to charity.
Step-by-step explanation:
Given:
Devin made 30 custom t-shirts to sell.
He will donate 1/8 0f his total sales to a local charity.
He sold all 30 t-shirts for $18 each.
Now, to find the amount Devin donate to charity.
Total number of t-shirts = 30.
Each t-shirts sold at = $18.
So, total amount of 30 t-shirts sold:
As, Devin will donate of his total sales to a local charity.
Now, to get the amount he will donate to charity:
Therefore, Devin will donate $67.5 to charity.