In a battery manufacturing factory, machines P, Q and R manufacture 20%, 30% and 50% respectively of the total output. The chances that a defective battery is produced by these machines are 1%, 1.5% and 2% respectively. If a battery is selected as random from production, then the probability that it is defective is

Three machines A, B and C produce respectively 30%, 50% and 20% of the total number of items of a factory. The percentage of defective output of these machines are 1%, 4% and 3% respectively. If an item is selected at random, find the probability that the item is non-defective.

In a tape recorder factory three machines A, B and C produced 50%, 30% and 20% of total production. The percentage of the defective output of these machines are 2%, 5% and 10% respectively. A tape recorder is selected randomly and found to be defective, find the probability that it is produced by machine A.

In a tape recorder factory, three machines A, B and C produced 50%, 30% and 20% of total production. The percentage of the defective output of these machines are 3%, 4% and 5% respectively. A tape recorder is selected randomly and found to be defective, find the probability that it is produced by machine A.

In a tape recorder factory three machines A, B and C produced 50%, 30% and 20% of total production. The percentage of the defective output of these machines are 3%, 4% and 5% respectively. A tape recorder is selected randomly and found to be defective, find the probability that it is produced by machine A.

Three machines A, B, C produce respectively 50%, 30%, and 20% of the total no. of items of a factory. The % of defective outputs of these machines is 3%, 4%, 5% respectively. If an item is selected at random, (i) what is the probability that it is defective?

In a tape recorder factory, three machines A, B and C produced 25%, 35% and 40% respectively. The percentage of defective output of these machines are 5%, 4% and 2% respectively. A tape recorder is selected at random and is found to defective. Find the probability that tape recorder is produced by machine B .

ln a tape recorder factory, three machines A, B and C produced 40%, 30% and 20% of total production. The percentage of the defective output of these machines are 2%, 3% and 4% respectively. A tape recorder is selected at random and found to be defective. Find the probability that tape recorder is produced by machine C.

In a bolt factory, machines A, B and C manufacture 60%, 25% and 15% respectively. Of the total of their outputs 1%, 2%, 1% are defectively from these machines respectively. A bold is drawn at random from the total production and found to be defective. From which machine, the defective bolt is most expected to have been manufactured?