Answer: The first and second options are random samples.
First, assign numbers and drawing the number from a bowl would be a great way to get a random sample. Everyone has the same chance of being selected.
Second, using an alphabetical order is just like the first choice. The chances are the same for everyone.
However, in the third choice, you won't get a random sample. You will get an old and young group. Not a random group of the population.
Answer:
The area is about 1590 and the circumference is about 141
Step-by-step explanation:
Answer:
its c ! just took the test :)
Answer:
150 feet
Step-by-step explanation:
There are 10 marks between the 1st and 11th mark.
Since each mark represents 5 yards, 10 * 5 = 50 yards
Since 1 yard = 3 feet
50 yards = 50 * 3 = 150 feet
