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There are 3 cards in Box A and 3 cards in Box B.
There is a number on each card.
Box A
3,4,5

Box B
9,2,3

Ryan takes at random a card from Box A and a card from Box B.
He adds together the numbers on the two cards to get a total score.
Work out the probability that the total score is an odd number.

Respuesta :

mhanifa

Answer:

  • 4/9

Step-by-step explanation:

Possible number of pairs of given cards:

  • 3*3 = 9

Number of sums with odd score, two odd numbers added to an even number from each box:

  • 2*1 + 1*2 = 4  (pairs of 3 and 5 with 2 or pairs of 9 and 3 with 4)

Required probability:

  • P(odd) = 4/9