Answer: 35
Step-by-step explanation:
Given : Standard deviation :
Margin of error :
Significance level :
Critical value :
The formula we use to find the minimum sample size required :-
i.e.
Hence, the minimum sample size is needed to be 95% confident that the sample mean is within 1 pound of the true population mean =35
The answer would be no solution. It comes out to 56=-49
1400+ 900x= 4100
Subtract 1400 from each side
900x= 2700
Divide each side by 900
X= 3
It needs to eat 3 mosquitos each hour
Answer:
94.2 cm
Step-by-step explanation:
circumfrence is diameter times pi
Answer:
Approximately 23%
Step-by-step explanation:
we know that
The high school graduating class of 2010 was 260 people
5 years later the high school graduating class was 320 people
In this problem
260 people represent the 100%
so
using proportion
Find out what percentage represent the difference (320-260)=60 people
Let
x -----> the percentage