Vickie conducts a survey of home builders to determine the average cost of building a new home. She samples 10 home builders who are building in the town in which she lives. Under which conditions will her sample be a representative sample? Select two options.

Complete question is;

Vickie conducts a survey of home builders to determine the average cost of building a new home. She samples 10 home builders who are building in the town in which she lives. Under which conditions will her sample be a representative sample? Select two options:

A) The builders were chosen at random.

B) The population included only builders who build in Vicki’s town.

C) The population included builders who build homes in any town.

D) The population included builders who do not build homes in Vicki’s town.

E) The builders were referred to Vicki by the realtor who will be selling the houses.

Options A & B are correct.

A) The builders were chosen at random.

B) The population included only builders who build in Vicki’s town.

Step-by-step explanation:

Looking at the question, we see that Vickie wanted to determine the cost of building a new home in the town in which she lived. Now, she sampled builders who are building in the town in which she lives and thus, it makes the sample more representative.

However, the random method of choosing the builders would help to remove any lingering biases that may arise.

Thus, we can conclude that the builders were chosen at random and that it included only those who build in her town.

Thus, options A & B are correct.

d

step-by-step explanation:

hello and welcome!

so, when we see the words "proportional" along with a table, we need to know that we're looking numbers that divide by the same thing.

looking at this table, we simply have to do a trial and error, and divide to see which numbers have the same quotient. if you look at choice a & c, they both have equal quotients for three of the numbers, with one exception, so those can't be the answer. looking at b, there is no similarity, so that can't be it. then, we see d; if you divide all the numbers in the table, you'll see that they all divide by two, which is a proportional relationship, and our answer!

also, always remember that the x will always be the number that goes into y, and somewhere behind this table, is a formula. for this specific table, the formula would be:

since our x-value is being divided by two to get the y-value. and if they were to ask for more numbers in the series, this is the formula you would use to find them.

20

step-by-step explanation: