A coin is thrown 400 times and is found to result Head 245 times. Test weather the coin is a fair one
Answers
Answered by
2
Answer:
not fair
Step-by-step explanation:
it is found that head appears half of the times. but here it exceeded 200 times out of 400times
Answered by
0
Answer: The coin is not fair.
Concept : Probability
Given : A coin is thrown 400 times and is found to result Head 245 times.
To Find : Whether the coin is fair or not.
Step-by-step explanation:
A coin is thrown 400 times and is found to result 245 times head.
This coin is biased, as in an unbiased coin the probability of coming heads and tails will be 50%.
The number of times the coin is thrown is 400.
So, the probability of head should be 200 times and of tail should also be 200 times.
In this question, out of 400 tosses, 245 times head appeared.
Hence, the coin is not fair.
#SPJ2
Similar questions