The graph of the discrete probability o the right represents the number of live births by a mother 49 to 54 years old who had a live birth in 2015. Complete parts (a) through (d) below. 1 (Rou Probability 0.30 0763 0239 025 0.20 0171 0.15 0109 0.101 0.10 0.057 0.05 0.00 9922 9022 1 0 3 4 5 6 7 Number of Live Births 0.117 (Type an integer or a decimal.) (d) If a 49-to 54-year-old mother who had a live birth in 2015 is randomly selected, how many live births would you expect the mother to have had? Q