Marco is conducting an experiment on training certain breeds of dogs. He wants to know how long, on average, it would take to teach a Labrador to fetch an object. He gets a group of dogs to conduct his experiment. 5 of the dogs are Labradors and 3 of the dogs are Dalmatians. What is the population and sample in this experiment?

A) The population is all Labradors, and the sample is the 5 Labradors that Marco trained.
B) The sample is all Labradors, and the population is the 5 Labradors that Marco trained.
C) The population is all Labradors, and the sample is the 8 dogs that Marco trained.
D) The sample is all Labradors, and the population is the 8 dogs that Marco trained.

80 the answer is 80

step-by-step explanation:

hi how are you doing today? if you ever need just tell me

step-by-step explanation:

not sure but it may be b, as i said i'm not sure.

all three statements are true

step-by-step explanation:

a shipping fee of 5% is charged online with every item purchased online

first let's just take each option and calculate them based on this, to see if the answers matched

keith buys a 40 dollar book

40 x 0.05 = 2

therefore there will be a two dollar fee on keith's book

40 + 2 =42

the first statement is true

a chair costs $80

80 x 0.05 = 4

80 + 4 = 84

the second statement is true

george buys a 20 dollar calculator

20 x 0.05 = 1

20 + 1 = 21

the third statements are true

all three statements are true