A coin is tossed 5 times. What is the probability of getting at least 3 heads?
Answers
Answer:
3/5 times
which is 60%
Step-by-step explanation:
p= probability
= p of coin = number of times head comes
total number
= 3
5
in percentage=
3 ₓ 100 = 60%
5
Answer:
0.5
Step-by-step explanation:
Total number of outcomes =25=32
H H H H H
H H H H T
H H H T H
H H H T T
H H T H H
H H T H T
H H T T H
H H T T T
H T H H H
H T H H T
H T H T H
H T H T T
H T T H H
H T T H T
H T T T H
H T T T T
T H H H H
T H H H T
T H H T H
T H H T T
T H T H H
T H T H T
T H T T H
T H T T T
T T H H H
T T H H T
T T H T H
T T H T T
T T T H H
T T T H T
T T T T H
T T T T T
Total outcomes with at least 3 heads are
H H H H H
H H H H T
H H H T H
H H H T T
H H T H H
H H T H T
H H T T H
H T H H H
H T H H T
H T H T H
H T T H H
T H H H H
T H H H T
T H H T H
T H T H H
T T H H H
Hence, the probability of getting at least 3 heads = 16/32=1/2=0.5