The table below shows the results of a survey that asked 2859 people whether they are involved in any type of charity work A person is selected at random from the sample Complete parts a through d Male Female Total Frequently 221 207 428 Occasionally 456 440 896 Not at all 792 743 1535 Total 1469 1390 2859 a Find the probability that the person is frequently or occasionally involved in charity work M b Find the probability that the person is female or not involved in charity work at all P being frequently involved or being occasionally involved Round to the nearest thousandth as needed P being female or not being involved Round to the nearest thousandth as needed c Find the probability that the person is male or frequently involved in charity work P being male or being frequently involved