Answer:
$600 is the sales price
Step-by-step explanation:
First, multiply the original price with the numerator
900 x 2 = 1800
Next, divide the number gotten by 3
1800/3 = 600
$600 is your answer
~
672 is the correct answer
Answer:
95 percent confidence interval
[0.208,0.29166]
Step-by-step explanation:
First we identificate the sample proportion p = 27 /108, and we find the 95 percent confidence interval for P(population proportion) in this context the parking violations that have prior unpaid parking tickets.
Then α = 0.05 and 1 - α/2 = 0.975
Thus 
The 95 percent confidence interval is
[ p ± 1.96
]
[0.25 ± 1.96
]
[0.208,0.29166]
1. 4
2. 9
3. 21
are the answers