How many times a fair coin must be tossed so that the probability of getting heads atleast once is greater than 80%.

Open in App

Solution

Suggest Corrections

Similar questions

Q. In a set of 10 coins, 2 coins are with heads on both the sides. A coin is selected at random from this set and tossed five times. If all the five times, the result was heads, find the probability that the selected coin had heads on both the sides.
or
How many times must a fair coin be tossed so that probability of getting at least one head is more than 80%?

Q. The least number of times a fair coin must be tossed so that the probability of getting atleast one head is

0.8

, is

Q. How many times must a man toss a fair coin so that the probability of having at least one head is more than 80%?

In a set of 10 coins, 2 coins are with heads on both the sides. A coin is selected at random from this set and tossed five times. If all the five times, the result was heads, find the probability that the selected coin had heads on both the sides.

How many times must a fair coin be tossed so that the probability of getting at least one head is more than $80 %$ ?

Join BYJU'S Learning Program