A Researcher Is Interested in the Lengths of Salvelinus Fontinalis

Multiple Choice

A researcher is interested in the lengths of Salvelinus fontinalis (brook trout) , which are known to be approximately Normally distributed with mean 80 centimeters and standard deviation 5 centimeters. To help preserve brook trout populations, some regulatory standards need to be set limiting the size of fish that can be caught. To ensure that the smallest 8% of the brook trout get thrown back, what should the lower cut-off be?

A) 72.95 centimeters
B) 75.00 centimeters
C) 80.00 centimeters
D) 87.03 centimeters