There is a game of tossing of three coins. The entry fee in the game is rs. 200. Shikha takes entry into the game by paying the entry fee. The rules of the games are:- if by tossing three coins or one coin three times, she gets one or two heads, then entry fee is refunded. If she gets three heads she received double the amount paid as entry fee. Otherwise she losses the entry fee. Based on the above information, answer the following question:
What are the chances of getting rs. 400?
A )50%
B)25%
C)12.5%
D) 75%
please answer the given option fast and correctly
Answers
Answer:
ans 12.5%
Step-by-step explanation:
no of favorable outcome=1 (3 head)
total no. of outcome = 8
so probability =1/8
there fore%= 1/8*100=12.5
Answer: The correct option for this question is (C) 25%
Step-by-step explanation:
We have to find out how many percent chances of getting 400 rupees.
To get 400 rupees we need 3 heads by tossing the coin.
If we toss the 3 coins three times than the number of possible outcomes are (H,H,H), (T,T,T), ( H,H,T), (H,T,T)
[Total 4 possible outcomes]
For getting 400 rs we need only (H,H,H)
The probability of getting only head went to sing the coin = ¼ = 0.25
Now, the percent of getting only head = 0.25×100 = 25%
Therefore sikha needs 3 heads after tossing the coin to get 400 rupees and the chances of getting 400 rupees is 25%.
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