Question

four coins are tossed simultaneously. What is the probability of getting
i).
exactly one head
ii).
exactly two heads
iii). exactly three heads
iv). at least one head
v)at most one head
vi)at least three heads
vii)at most three heads
viii)at least two heads
ix)at most two heads
x)one head or two heads ​

Answer 1

Answer:

1/4

2/4

3/4

1/4

3/4

3/4

2/4

2/4

1/4