Given:
We expect to get tails 400 times in a coin flip experiment.
Required:
We have to find the number of times would the coin be flipped.
Step-by-step explanation:
In a coin flip experiment, a there is 50% chance of getting a head and a 50% chance of getting a tail. So to get tails 400 times we have to flip the coin 800 times.
Final answer:
Hence the final answer is