Asked by angel
Walleye is a common game fish. Adult walleye have a length with a mean of 44 cm and a standard deviation of 4 cm and the distribution of lengths is approximately Normal. What fraction of walleye are longer than 52 cm in length?
Answers
Answered by
Steve
52 is 2 std above the mean of 44.
So, look up Z=2 in your table, and subtract that from 1.
Or, mosey on over to
http://davidmlane.com/hyperstat/z_table.html
and enter 2 in the "Above" box and it will calculate the Z value and show the tail of the graph.
So, look up Z=2 in your table, and subtract that from 1.
Or, mosey on over to
http://davidmlane.com/hyperstat/z_table.html
and enter 2 in the "Above" box and it will calculate the Z value and show the tail of the graph.
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