Question

a coin is tossed 20 times. what is the probability of getting at least 1 head?

Answer 1

p(at least one head)=20/20=1

HOPE YOU WILL LIKE MY ANSWER
PLEASE MARK ME AS A BRAINLIEST

Answer 2

Answer:

As we know in a coin there is head and tail

A coin is tossed 20 times mean no. of outcomes = 2^20 = 1048576

so no. of head at least one is 1048576 - 1 = 1048575

Probability = 1048575/1048576 = 0.999999046325