Do Women and Men Treat Female and Male Children Differently

Do women and men treat female and male children differently? An observational study was conducted near the primate exhibit at the Sacramento Zoo on weekends in 1988.The data are from 37 groups of three-one adult female,one adult male,and one toddler-in which the toddler was being carried.Recorded in the table below are the gender of the adult who was carrying the toddler and the gender of the toddler: What are the odds that an adult carrying a girl was female?

A) 0.35
B) 0.50
C) 1.00
D) 2.13