# Minimum number of times a fair coin must be tossed so thatthe probability of getting at least one head is more than 99% is : Option 1) 5 Option 2) 6 Option 3) 8 Option 4) 7

So, probability to get atleast one head =

Minimum value of n will be = 7

So, option (4) is correct.

Option 1)

5

Option 2)

6

Option 3)

8

Option 4)

7

### Preparation Products

##### Knockout JEE Main April 2021 (One Month)

An exhaustive E-learning program for the complete preparation of JEE Main..

₹ 14000/- ₹ 6999/-
##### Knockout JEE Main April 2021

An exhaustive E-learning program for the complete preparation of JEE Main..

₹ 22999/- ₹ 14999/-
##### Test Series JEE Main April 2021

Take chapter-wise, subject-wise and Complete syllabus mock tests and get in depth analysis of your test..

₹ 6999/- ₹ 4999/-
##### Knockout JEE Main April 2022

An exhaustive E-learning program for the complete preparation of JEE Main..

₹ 34999/- ₹ 24999/-