Subject :IMO Class : Class 7
Two unbiased coins are tossed. What is the probability of getting at least 1 tail?
A
B
C
D
should be 1/2
Ans 1:
Class : Class 9
The answer should be B since getting at least one tail has a probability of 2/4 and simplifying it we will get 1/2
Ans 2:
Class : Class 10
Ans 3:
Class : Class 7
Ans 4:
Class : Class 7
Answer should be 1/2.
Ans 5:
Class : Class 7
Answer should be 1/2
Ans 6:
Class : Class 7
The answer must be 1/2in two coins there are total 4 possibilities of head n tailout of which 2 possibilities are of tail hence it'll be 2/4 which is equal to 1/2
Ans 7:
Class : Class 7
answer is 1/2
Ans 8:
Class : Class 10
YES,ANSWER IS 1/2
Ans 9:
Class : Class 8
Even I think the answer should be 1/2
Ans 10:
Class : Class 8
1/2
Ans 11:
Class : Class 7
the answer is 3/4 because there are 4 possibilities - heads
Ans 12:
Class : Class 8