A survey was conducted to find out if the income status, (High, H) or (Low, L), of consumers, affects whether they purchase on a mobile device (M) or they purchase on a computer (C). The survey reported that 32.44% all consumers purchased on a computer and that 68% of all consumers had high disposable income. The survey also discovered that there was a 73% chance that someone with high disposable income made a purchase using a mobile. a) What is the probability that a person with low disposable income purchases on a mobile device? b) What is the probability that a person who purchases on a mobile device has high disposable income? c) What is the probability that a selected person has low disposable income or purchases on a computer? d) If you know that someone has a high disposable income, does that increase or decrease the likelihood they would make a purchase on a mobile device? By how much