Answer is C.
The sample is selected at tandon from the population, but it was done on a particular day of the week. So the sample is not random.
More data should be taken, distributed on every day of the week, probably in different months.
Answer:
Give me a second I know this one.
Step-by-step explanation:
...
<span>4.045 x10^-3 in standard notation = 4,045</span>
30 because 0.3 * 100 = 30
