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Mathematics 7 Online
OpenStudy (anonymous):

There are 200 students in the 7th grade class at Manchester Middle School. Of these students, 22% play football and 12% play baseball. Eight students play on both teams. What is the probability that a student plays either football or baseball? A. 38% B. 34% C. 26% D. 30%

OpenStudy (anonymous):

@wkortright

OpenStudy (xapproachesinfinity):

use P(A or B)= P(A)+P(B)-P(A and B) A event they play football B event they play basball A nd B they play in both

OpenStudy (anonymous):

ok thanks

OpenStudy (xapproachesinfinity):

that should gave you the answer

OpenStudy (xapproachesinfinity):

you're welcome

OpenStudy (xapproachesinfinity):

there is a trick in there 8 play in both so get first the percentage of that

OpenStudy (anonymous):

The answer is D

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