5.9 What is the probability of the following events?
(a) The sum of all the angles of a triangle is equal to 180°
(b) All 4 sides of a square are equal
(C) The sum of 2 negative integers is positive
(d) Two parallel lines are intersecting at a point
Answer:
a) 1 it is sure event
b) 1 it is also sure event
c) 0 it is impossible event
d) 0 it is also impossible event
Answer:
the probability of the given events are
a)1
b)1
c)0
d)0