Q. 11

On one page of a directory, there are 160 telephone numbers. The frequency distribution of the unit place digit is given as under:

From this page, one of the numbers is chosen at random. What is the probability that the unit place digit in the chosen number is 6?




Answer :

Total number of telephone numbers on the page: 160

Number of telephone numbers which have 6 in units place is: 15

Probability P() =

Probability of getting 6 in unit place of a telephone number.

P(6) = = =

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos
Champ Quiz | Basics of Probability36 mins
Quiz | Calculating Probability39 mins
Concept of Probability36 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation
view all courses