Question

3. A bag contains Red
What is the probably
wag Pontes
contains Red, Green and Yellow pegs. A peg is take at random from the bag. The probability
but it is Red is 0.35 and the probability that it is Green is 0.4.
(a) Find the probability that peg selected is
(i) Yellow
(ii) Not Red
[b]Originally there were 16 pegs in the bags. Find the total number of pegs.
ann nnin londa beads up?​

Answer 1

Answer:(a)

i) P(Red)+P(Yellow)+P(Green)=1

  0.35+P(Y)+0.4=1

  P(Y)+0.75=1

   P(Y)=1-0.75

   P(Y)=0.25

ii)  P(not red)=1-P(red)

    P(not red)=1-0.35

    P(not red)=0.65