Answer:
$400 
OR 
Step-by-step explanation:
$400 stays the same, 72 cents is 72/100. Simplify and voila
Answer: Biased sample
Step-by-step explanation:
This is a biased sample because only students with strong opinions are likely going to volunteer or show interest in representing the school at the board meeting. This sample is a voluntary type sample, and at such the conclusion is not valid. This sample is biased because a group or population of students have a higher or lower sampling probability.
Simplified is 325 and not simplified is 325.561
Answer:
Answer - a) 1:80
b) 1:80
Step-by-step explanation:
All the ratio should be written in lowest form. these are the answers for both the questions.
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