Ariel wants to find out the most popular theme for spirit week at school. She cannot decide between two methods.
option 1: she will poll each student who leaves the gym after sports practice
option 2: she will randomly poll three students from each first-period class
which statement about the methods is true?
a. option 1 is biased
b. option 2 is biased
c. neither is biased
d. both are biased
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