A coin is tossed 100 times and it is found that head comes up 25 times and 75 times. Find the probability of getting a head and a tail.
yashmankumare:
n(s)={100} ,n(a)={25},n(b)={75} therefore p(a)= n(s) ÷ n(a) = 100÷25 =4, similarly n (b)= 100÷75= 4/3
Answers
Answered by
4
prob . of getting a head and a.tail is 50/100 i.e.1/2
Answered by
0
20 times it is easy we can see by add
25 75
80
now
100-80= 20
25 75
80
now
100-80= 20
Similar questions