Browse by Stream
QnA
Home
QnA
Go To Your Study Dashboard

Get Answers to all your Questions

header-bg qa
  • Home
  • School
  • Need Solution for R.D.Sharma Maths Class 12 Chapter 30 Probability Exercise 30.5 Question 30 Sub Question 3 Maths Textbook Solution.

Need Solution for R.D.Sharma Maths Class 12 Chapter 30 Probability  Exercise 30.5 Question 30 Sub Question 3 Maths Textbook Solution.

Answers (1)

Answer:\frac{24}{35}

Hint: You must know the rules of finding probability functions.

Given:

P\left ( Fatima\: gets\: selected \right )=\frac{1}{7}=P\left ( A \right )

P\left ( John\: gets\: selected \right )=\frac{1}{5}=P\left ( B \right )

Solution:

P\left ( none\:one\: of\: them\: gets\: selected \right )=P\left ( \bar{A} \right )\times P\left ( \bar{B} \right )

\begin{aligned} &=\left(1-\frac{1}{5}\right) \times\left(1-\frac{1}{7}\right) \\ &=\frac{4}{5} \times \frac{6}{7} \\ &=\frac{24}{35} \end{aligned}

Posted by

infoexpert21

View full answer

Crack CUET with india's "Best Teachers"

  • HD Video Lectures
  • Unlimited Mock Tests
  • Faculty Support
cuet_ads

Similar Questions

Trending Articles/News

anam-khan

CBSE Board Result 2025 LIVE: Class 10th, 12th results by next week; DigiLocker codes, latest updates
anam-khan

Fake notice on CBSE 10th, 12th results 2025 in two-halves viral, board alerts students
anam-khan

CBSE Board Result 2025 LIVE: Class 10th, 12th results on cbse.nic.in soon; pass marks, DigiLocker code

Latest Question