Question: Sampling senators, I Th e two-way table below describes the members of the U.S. Senate in 2008. (a) Who are the individuals? What variables are

Sampling senators, I Th e two-way table below describes the members of the U.S. Senate in 2008. Democrats Republicans Male Female 40 11 44 5

(a) Who are the individuals? What variables are being measured?

(b) If we select a U.S. senator at random, what’s the probability that we choose a Democrat?
a female?
• a female Democrat?
• a female or a Democrat?

Democrats Republicans Male Female 40 11 44 5

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