Please answer the question 80)
81)
82)
2 a q:25 pm
Bio-vision_SSLC Maths EM - Read-only
the probability of each sum.
There are two small boxes A and B.
In A there are 9 white beads and 8
black beads, In B there are 7 white
and 8 black beads. We want to
take a bead from a box.
(a) What is the probability of
getting a white bead from each
box?
(b) A white beads and a black bead
are added to box B and then a bead
is taken from it
What is the probability of getting a
white bead from it?
20 lots numbered 1 to 20 are taken
in a box. Another box contains lots
of prime numbers less than 20.
One lot each is drawn from each
box.
What is the probability of getting
two prime numbers?
What is the probability of getting
two even numbers?
There are 18 beads in a box. Some
of them are white and the
remaining are black. The
Probability of drawing a black bead
