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.
red or green / total
4 + 10 / 4 +16 +5 +16 +10
14 / 51
Answer: 0.512
Step-by-step explanation:
256/32=8
8*(0.4)^3=
8*0.064=0.512
y=0.512
Answer:
69
Step-by-step explanation:
If 46 is 2/3 then 1/3 should be 23 and 23 times 3 is 69.I hope this helps
