SOLUTION: Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 2 9 11 22 Female 18 19 12 49 Total 20 28 23 71 If one student is chosen

Question 1205000: Giving a test to a group of students, the grades and gender are summarized below
A B C Total
Male 2 9 11 22
Female 18 19 12 49
Total 20 28 23 71

If one student is chosen at random,
Find the probability that the student was female OR got an "B".

Answer by ikleyn(52756) (Show Source): You can put this solution on YOUR website!
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Giving a test to a group of students, the grades and gender are summarized below

        A  B   C  Total
Male    2  9  11   22
Female 18 19  12   49
Total  20 28  23   71

If one student is chosen at random,
Find the probability that the student was female OR got an "B"
~~~~~~~~~~~~~~~~~~~~~

To solve it by the simplest way, add the total females from the table (49) and 

all males from the table under "B" (9), and relate it to the grand total 71.


Your answer is  P =  =  = 0.8169  (rounded).

Solved.

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