Answer:
$502.96 to $597.04
Step-by-step explanation:
Mean sample revenue (μ) = $550
Standard deviation (σ) = $120
Sample size (n) = 25 days
The lower and upper bound for a 95% confidence interval are given by:

Applying the given data:

The 95% confidence interval is $502.96 to $597.04.
Answer
$36
Step-by-step explanation:
You multiply 0.8 by 20 since 0.8 is also 80% and you get 16. Since you want 80% more than 20 you add together to get $36. Hope it helped!
Answer:
c
Step-by-step explanation:
Answer:
72600
Step-by-step explanation:
I solved this by simply doing 11,000 x 4% x 15 which brings you to 72600.
Answer:
12x-3x
= 9x
Step-by-step explanation:
Hope it is helpful....