Line GH contains points G(–2, 6) and H(5, –3). What is the slope of ? –negative StartFraction 7 Over 3 EndFraction –negative Sta
rtFraction 9 Over 7 EndFraction –negative StartFraction 7 Over 9 EndFraction –negative StartFraction 3 Over 7 EndFraction
2 answers:
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Since we are not given any information about the proportion, we will assume the sample proportion to be 0.50
so,
p = 0.50
The Error is 10% percentage point. This means that on either side of the population proportion the error is 5% so E = 0.05
z = 1.645 (Z value for 90% confidence interval)
The margin of error for population proportion is calculated as:
This means 271 students should be included in the sample
so,
p = 0.50
The Error is 10% percentage point. This means that on either side of the population proportion the error is 5% so E = 0.05
z = 1.645 (Z value for 90% confidence interval)
The margin of error for population proportion is calculated as:
This means 271 students should be included in the sample
Answer:
18%
Step-by-step explanation:
Iliana's math grade increased from 65 to 86.
So, the percentage increase in the her math grade will be % (Approximate)
Now, Fiona's math grade increased from 70 to 80.
Hence, the percentage increase in her math grade will be % (Approximate)
So, the difference rounded to the nearest whole number between the approximate percent increases in math grades will be
(32.31 - 14.28) ≈ 18%
So, it is eighteen percent. (Answer)
Answer:
option C.
Yes, the water tank is about 245 cubic feet too small
Step-by-step explanation:
step 1
Determine the volume of the cylindrical tank
we know that
The volume of a cylinder is equal to
Remember that
we have
assume
substitute
Compare with 251 cubic feet
therefore
Yes, the water tank is about 245 cubic feet too small