20/256 Simplified. I need this answer. Will give brainliest
2 answers:
You might be interested in
Answer:
240
Step-by-step explanation:
Set up a proportion:
=
Cross multiply:
30x = 7200
x = 240
So, the person would weigh 240 pounds on Earth
Answer:
The smallest sample size to satisfy the conditions is n=500.
Step-by-step explanation:
The condition for performing the inference related to the sample size is that, for all the categories, the expected success and failures in the sample are at least 10:
The largest sample size required will be for the minimum p or (1-p).
This happens to be the proportion that can play other instruments: 2%.
Then, we can calculate the minimum sample size as: