The partially filled contingency table gives the relative frequencies of the data on age (in years) and sex from the residents of a retirement home. 60-6970-79Over 79TotalMale0.190.10.11 Female0.20.10.3 Total 1What is the probability that a resident is male and in the age group 60-79?a.0.31c.0.29b.0.28d.0.305