A recent demographic study conducted in the U.S.South classified all surveyed participants into one of only five possible religious categories: Roman Catholic, Protestant, Islamic, Jewish, Other.The table summarizes the survey results.
If the researchers designate Roman Catholic as R and Protestant as event Pr, what is P(RUPr)?
A) 0.51
B) 0.06
C) 0.69
D) 0.57

Question

A recent demographic study conducted in the U.S.South classified all surveyed participants into one of only five possible religious categories: Roman Catholic, Protestant, Islamic, Jewish, Other.The table summarizes the survey results. ​  ​
If the researchers designate Roman Catholic as R and Protestant as event Pr, what is P(RUPr)?
A) 0.51 
B) 0.06 
C) 0.69 
D) 0.57

Quizplus · Accepted Answer

P(RUPr) is the probability of selecting either Roman Catholic or Protestant out of all participants surveyed. From the table, we see that there are 217 + 162 = 379 Roman Catholics or Protestants out of a total of 2475 participants. Therefore, P(RUPr) = 379/2475 ≈ 0.57.

A Recent Demographic Study Conducted in the U