MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
Menu
Grade: 12
        

A,B and C try to hit a target.The respective chances of them hitting the target are :for A,1/2 ,for B,2/3 ,for C 1/4.What is the probability that A or B hit the target?Please explain clearly.Is the answer 3/8?

8 years ago

Answers : (1)

vikas askiitian expert
509 Points
							

p(A) =1/2 , P(A)1=1/2

p(B) =2/3 , p(B)1=1/3

p(C)=1/4 , p(C)1=3/4

 

possible cases => {(Ahits,Bnot,Cnot) ,(Ahits,Bnot,Chits) (Bhits,Anot,Cnot),(Bhits,Anot,Chits)}

adding all these =>{1/2*1/3*3/4 + 1/2*1/3*1/4 + 2/3*1/2*3/4 + 2/3*1/2*1/4}

                     =1/2

8 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies


Course Features

  • 731 Video Lectures
  • Revision Notes
  • Previous Year Papers
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Test paper with Video Solution


Course Features

  • 101 Video Lectures
  • Revision Notes
  • Test paper with Video Solution
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Previous Year Exam Questions


Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details