The student government-collected data on club membership by grade level. Data on club membership are summarized in the table shown below.
Grade Level Club Membership No Club Membership Total
9 125 250 375
10 165 155 320
11 201 101 302
12 206 69 275
Total 697 575 1272
a. no, bc P (Club Membership) not equal to P (12)
b. no, bc P (Club Membership/Grade 12) not equal to P (Club Membership)
c. yes because P (Grade 12) = P (Club Membership)
d. yes because P (Grade 12/PClub Membership) = P (Grade 12)
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