20
20 (a)
20 (b)
Jose and Maria each take a test.
The probability that Jose passes is 0.8
The probability that Maria passes is 0.4
Complete the tree diagram.
Jose
0.8
0.2
pass
20
not
pass
Work out the probability that they both pass.
Maria
0.4
016
pass
not
pass
pass
not
pass
[2 marks)
[1 mark]
