Answer:
A
Step-by-step explanation:
Random sampling is a sampling method where each sample has an equal chance of being chosen. The random sample chosen is meant to be an unbiased representation of the population.
If 30% of the sample uses the app, it means that 30% of the population are likely to use the app
It is 42 because 63 x 2/3 is 42.
Answer:
56 is the answer to your question
D because 144 /45% is 320 EZ hope i helped you drop a brianlest for me to pls
21.77 you can also type that in in the google search bar and your answer will pop up