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Answer to Question #313851 in Statistics and Probability for Sic
Question #313851
A sample of raw scores of Grade 11 students consists of the five numbers 10, 14, 17, 20 and 12. Consider samples of size 2 that can be drawn from this sample.
How many are the possible outcomes? *
What is the probability of getting 14.5 as a mean? *
What is the probability of getting 11 as a mean? *
What is the probability of getting 22.5 as a mean? *
What is the probability of getting 16 as a mean? *
Expert's answer
How many are the possible outcomes?
10 possible outcomes
(10,14), (10,17), (10,20), (10,12), (14,17), (14,20), (14,12), (17,20), (17,12), (20,12)
What is the probability of getting 14.5 as a mean?
=0.1
What is the probability of getting 11 as a mean?
=0.1
What is the probability of getting 22.5 as a mean?
=zero
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