Recent research suggests that 45% of residents from a certain region have a home phone, 94% have a cell phone, and 42% of people have both. What is the probability that a resident from the region has a) a home or cell phone? b) neither a home phone nor a cell phone? c) a cell phone but no home phone? a) The probability of a resident having a home or cell phone is (Type an integer or decimal rounded to two decimal places as needed.)