Research has shown that 55% of new small medium enterprises (SMEs) are started by graduates, while 45% are started by by non-graduates. It is also known that 70% of the SMEs started by graduates are successful i.e they survive beyond three years while only 10% of those started by non-graduates are successful.
a)If it is known that a new SME is not successful , what is the probability that it was not started by a graduate.
Let A be SME is graduate, B - SME is successful.
Comments
is the answer not supposed to be 0.43?
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