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A campus of Wolf City College has a fish pond. Suppose there are 20 fish in...

A campus of Wolf City College has a fish pond. Suppose there are 20 fish in the pond the lengths of the fish(in inches) are given below: 4.5, 5.4, 10.3, 7.9, 8.5, 6.6, 11.7, 8.9, 2.2, 9.8, 6.3, 4.3, 9.6, 8.7, 13.3, 4.6, 10.7, 13.4, 7.7, 5.6
a) how many different possible samples of size 3 can come out of this population?
b) suppose we have randomly catch a sample of 3 fish from this pond and measure their length. what would the mean length of the sample be?
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Answer #1

solution: a sample size = 20 Size of 3 has to be taken. :. Total possible samples = do C₂ = 20! 17:37 = 1140 b) We randomly t

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