3. Ricky Ponting is a hitter batsman on his cricket team. He estimates that his chances of hitting a sixer during a cricket game are 0.75 when facing a spinner on a calm day with no wind, but only 0.6 chances of hitting a sixer on a windy day. If the weather forecast gives a probability of 55% of a windy day, then what is the probability of Ricky Ponting hitting a sixer to a spinner? [2] 4. If - th of the population in Oshawa wears contact lenses and 37% of them have brown eyes, and 9% are 50 brown-eyed people who wear contact lenses, what is the probability that a randomly selected resident has brown eyes or contact lenses. [2]