A lot consists of 48 mobile phones of which 42 are good 3 have only minor defects and 3 have major d...

Question

A lot consists of 48 mobile 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 probability that it is acceptable to Varnika

Accepted Answer

Total number of mobile phones TE 48 Trader buys a phone which has no major defect No of phones with major defect 3 Phones which do not have major defects 48 3 45 FE 45

NCERT Exemplar Solutions Class 10 Mathematics Solutions for Statistics and Probability - Exercise 13.3 in Chapter 13 - Statistics and Probability