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Mathematics 9 Online
OpenStudy (anonymous):

40 men and 10 women have had an oral test and a driving test for a driving license. The number of them who have passed the tests are tabulated below. A person is chosen at random. Given the person fails the oral test, find the probability that the person is a woman. ans : 1/11

OpenStudy (anonymous):

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OpenStudy (anonymous):

@hartnn

OpenStudy (anonymous):

@satellite73

OpenStudy (anonymous):

@Mertsj

OpenStudy (mertsj):

How many people did NOT pass the oral test?

OpenStudy (anonymous):

31 ?

OpenStudy (anonymous):

or 50 -28 = 32 ?

OpenStudy (mertsj):

You better try that subtraction thing again.

OpenStudy (anonymous):

opps => 28

OpenStudy (anonymous):

so =>22

OpenStudy (mertsj):

50-28=22 22people did not pass the oral part of the test.

OpenStudy (mertsj):

How many of them were women?

OpenStudy (anonymous):

8

OpenStudy (mertsj):

I thought the table was the number of people that DID pass. Am I wrong?

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