Answer:
752.95
Step-by-step explanation:
Data provided in the question
The standard deviation of population = 210
The Margin of error = 15
The confidence level is 75%, so the z value is 1.96
Now the required sample size is

= 752.95
Hence, the number of college students spends on the internet each month is 752.95
Simply we considered the above values so that the n could come
This means you should do 240*3/8 which is 90. so 90 times 240=21600
the answer is 216000km^2
Answer:
A:SPA =CFA by AA
Step-by-step explanation:
Hopefully this helps
Answer:
$46.00
Step-by-step explanation:
$46.00 - $20 + $5 = $21
Answer:
sod- 1662.6
fencing- 807.6
all- 2470.2
Step-by-step explanation:
sod-
25.5 * 8.25 = 207.825
207.825*8= 1662.6
fencing-
8.25+8.25+25.5+25.5= 67.3
67.3*12= 807.6
fencing + sod
1662.6 + 807.6= 2470.2