Advertisement Remove all ads

Hundred Identical Cards Are Numbered from 1 to 100. the Cards the Cards Are Well Shuffled and Then a Card is Drawn. Find the Probability that the Number on Card Drawn Is: Greater than 85 - Mathematics

Hundred identical cards are numbered from 1 to 100. The cards The cards are well shuffled and then a card is drawn. Find the probability that the number on card drawn is: 

 greater than 85

Advertisement Remove all ads

Solution

There are 100 cards from which one card is drawn. 

Total number of elementary event =n(s0=100 

From numbers 1 to 100 there are 15 numbers which are greater than 85 i.e {86,87,.......98,99,100} favorable number of event =n(E) =15 

Probabilty of selecting card with a number greater than 85= 

`(n(E))/(n(s))-15/100-3/20`  

  Is there an error in this question or solution?
Advertisement Remove all ads

APPEARS IN

Selina Concise Maths Class 10 ICSE
Chapter 25 Probability
Exercise 25 (B) | Q 2.4 | Page 393
Advertisement Remove all ads

Video TutorialsVIEW ALL [1]

Advertisement Remove all ads
Share
Notifications

View all notifications


      Forgot password?
View in app×