Question

a lot consists of 48mobile phones of which 42 are good ,3 have only minor defects and 3 have major defects Varnika will buy a phone if it is good but the trader will only buy a mobile if it has no major defect. One phone is selected at random from the lot . what is the prbability that is acceptable to trader.

Answer 1

42+3=45
45/48=15/16=0.9375