Answer to Question #331473 in Statistics and Probability for Kgalid

Question

A restaurant buys avocados from three suppliers P, Q and R. Records show that 30% of the avocados come from P, 55% come from Q and the rest come from R. Further records show that 8% of avocados supplied by P are substandard, 12% of avocados supplied by Q are substandard and 15% of avocados supplied by R are substandard.