A boathouse costs $2500 a month to operate, and it spends $600 each
2 answers:
Answer:
Step-by-step explanation:
The fixed cost to operate the boathouse is $2500/month. It also has a cost of $600/month for every boat it docks.
If n boats are docked, then the total monthly cost is expressed as
The boathouse charges $900/month for every boat docked. The revenue for n boats will be
The profit function can be constructed by subtracting revenue and cost
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Answer:
0.0417
Step-by-step explanation:
Given the following;
p = 0.7, n=121
The sampling distribution of sample proportion will be approximately normal with mean
\mu_{\hat{p}}=p=0.7
and standard deviation
\sigma_{\hat{p}}=\sqrt{\frac{p(1-p)}{n}}=\sqrt{\frac{0.7\cdot 0.2}{121}}=0.0417
Check attachment for the curve diagram.
