CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

In a game,the entree fee is Rs5. the game consist of tossing a coin 3 times. if one or two head show, Sweta gets her entry fee back. If she throws 3 heads, she receives double the entry fees otherwise she will lose. For tossing a coin three times find the probability that she
(i) loses the entry fee
(ii) gets double the entry fee.
(iii) just gets her entry fee.

Open in App
Solution

When a coin is tossed three times, the favourable outcomes are:
HHH
TTT
HTH
THT
HHT
TTH
HTT
THH
​i) Shweta will lose her entry fee if she throws 3 tails,
Therefore, the probability that she loses her entry fee = 1/8
ii) Shweta will receive double the entry fee if she throws three heads.
Therefore, the probability that she gets double the entry fee = 1/8
iii) Shweta will get her entry fee back if one or two heads show.
Therefore, the probability that she gets her entry fee = 6/8
= 3/4

flag
Suggest Corrections
thumbs-up
7
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
MATHEMATICS
Watch in App
Join BYJU'S Learning Program
CrossIcon