Answer:
A. Because the sample size is very large.
Step-by-step explanation:
The sample is quite large, so the t test is safe. With a sample size of at least 100, this test is going to be safe.
So the correct answer is:
A. Because the sample size is very large.
Answer:
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Step-by-step explanation:
Answer:
16 : 20 = 0,8 = 80%
Step-by-step explanation:
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