8. You roll one die and flip one coin. Determine the probability of a) rolling 4 or getting tails b) rolling an odd number or getting heads c) rolling a number greater than 3 or getting tails 9. A 5-member committee is randomly selected from a group of 8 managers and 6 tech support staff. What is the probability that a) the group is made entirely of managers? b) the group is not only managers?