Table of Contents
- 1 What is the probability of getting 3 heads in 8 tosses?
- 2 What is the probability of getting at least 3 heads?
- 3 What is the probability of obtaining exactly 3 heads If a fair coin is flipped 6 times?
- 4 How many possible outcomes are there in total if the coin is flipped 8 times?
- 5 What is the probability of getting at least one head?
- 6 What is the probability of getting exactly 2 heads in 3 tosses?
What is the probability of getting 3 heads in 8 tosses?
And that is going to be equal to 32 equally likely possibilities. 32– 2 times 2 is 4, 4 times 2 is 8, 8 times 2 is 16, 16 times 2 is 32 possibilities. And to figure out this probability, we really just have to figure out how many of those possibilities involve getting three heads.
What is the probability of getting at least 3 heads?
1/4
N=3: To get 3 heads, means that one gets only one tail. This tail can be either the 1st coin, the 2nd coin, the 3rd, or the 4th coin. Thus there are only 4 outcomes which have three heads. The probability is 4/16 = 1/4.
How many ways are there to get exactly 3 tails in 8 coin flips?
This binomial question is based on each sequence of flips having probability 1/2^8=1/256. The three tails can show up in 8C3=56 different ways The other 5 are forced to be heads.
When a coin is flipped 3 times what is the probability that you get at least one heads?
87.5\%
If you flip a coin three times the chance of getting at least one head is 87.5\%.
What is the probability of obtaining exactly 3 heads If a fair coin is flipped 6 times?
The number of outcomes with exactly 3 heads is given by (63) because we essentially want to know how many different ways we can take exactly 3 things from a total of 6 things. The value of this is 20. So the answer is 20/64=5/16.
How many possible outcomes are there in total if the coin is flipped 8 times?
A coin outcome is 0 or 1. So you have base 2 (binary) numbers 00000000 to 11111111. An 8-bit number can express 28=256 possible states.
What is the probability of getting 4 heads in 8 coin flips?
The probability mass function for a Binomial random variable is the following: where n is the number of trial, x is the number of successes, p is the probability of success and q is the probability of failure (where q = 1 – p). = 0.2734. Thus the probability of getting 4 heads in 8 coin flips is 0.2734.
What is the probability of getting a tail on a coin?
Probability of getting at least 1 tail in 3 coin toss is 1 − 1 8=78 . What is the probability of flipping a coin 3 times and getting 2 heads? 0.38 is the probability of getting exactly 2 Heads in 3 tosses. What is the probability of getting exactly 2 heads when tossing coin thrice?
What is the probability of getting at least one head?
If you flip a coin three times the chance of getting at least one head is 87.5\%. To get this outcome I used the provided tree diagram to establish how many outcomes used one head .
What is the probability of getting exactly 2 heads in 3 tosses?
0.38 0.38 is the probability of getting exactly 2 Heads in 3 tosses. What is the probability of tossing the coin 3 times with the result being 2 heads and 1 tail?, However, two heads and one tail can occur in 3 !/ 2! = 3 ways, so the total probability is 3 x 1 /8 = 3 /8.