Owen and Wasim play for the school football team.
The probability that Owen will score a goal in the next match is 0.4
The probability that Wasim will score a goal in the next match is 0.25
Mr Slater says,
"The probability that both boys will score a goal in the next match is 0.4+0.25"
(b) Is Mr Slater right?
Give a reason for your answer.