Answer:
B
Step-by-step explanation:
A biased sample is a sample that does not accurately represent the population.
The survey asked only girls, but we can assume this school has both boys and girls. Therefore, by only asking girls, it creates a bias, because the boys in the school are not represented.
Therefore, the correct choice is B: biased sample.
Answer:
The second one.
Step-by-step explanation:
The pattern is red with 0 arrows, blue with 1 arrow, red with 2 arrows, so it would be blue with 3 arrows.
Answer:
2.5
Step-by-step explanation:
6 pints is greater than 60 fluid ounces because 6 fluid ounces is equal to 96 fl.
Answer:
8.15×10^5
Step-by-step explanation:
8.15×10^5
8.15×100000
815000