The manufacturer

The manufacturer found that 3% of the plates produced had a malfunction. Of the compliant, 75% are first and 25% second. What is the probability of producing first and second class plates?

Correct result:

p1 =  72.75 %
p2 =  24.25 %


q=13/100=97100=0.97 k1=75%=75100=0.75 k2=25%=25100=0.25  p1=100 q k1=100 0.97 0.75=2914=2914%=72.75%
p2=100 q k2=100 0.97 0.25=974=974%=24.25%

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