The table here shows the average number of births per day in the United States as reported

Question:

The table here shows the average number of births per day in the United States as reported by the CDC (Centers for Disease Control). Based on this information, what is the probability that one baby identified at random was:
a. Born on a Monday?
b. Born on a weekend?
c. Born on a Tuesday or Wednesday?
d. Born on a Wednesday, Thursday, or Friday?
Day Number
Sunday....... 7,563
Monday....... 11,733
Tuesday....... 13,001
Wednesday...... 12,598
Thursday....... 12,514
Friday....... 12,396
Saturday....... 8,605
Total....... 78,410