In 2014, the population of Hong Kong was estimated to be approximately 7,112,688 people. The city covers an area of approximatel
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Answer:
<h2>The circumference is multipled by 4.</h2>Step-by-step explanation:
The formula of an area of a circle"
The formula of a circumference of a circle:
The area multipled by 16:
The radius has increased fourfold, therefore:
The circumference is multipled by 4.
You can calculate the area and check the circumference:
Calculate the radius:
<em>divide both sides by π</em>
Calculate the circumference of both circles:
Answer:
Test statistic, (to 3 dp)
Step-by-step explanation:
Deviation, d = x -y
Sample mean for the deviation
Standard deviation:
SD =2.93
Under the null hypothesis, the formula for the test statistics will be given by: