Answer:
b. Invalid, because the sample may not be representative of the population.
Step-by-step explanation:
A sample of around 10% of the population is needed to be representative.
In this question:
We have a population of 500,000, and a sample of 10,000.
10,000/500,000 = 1/50 = 0.02 = 2% of the population, so not representative, and option b is correct.
Answer:
he ran 3 miles in 8 mins
Step-by-step explanation:
Answer:
the answer is C. x<3 x<1 that is the answer
Answer:
-10/9 < -2/3 < 4/6 < 6/5 < 5/4
(hope this helps!)
Step-by-step explanation:
37.9 equals 30+7+.9 you should try to put in number form so you know what you're dealing with
