In Orange County, 51% of the adults are males. One adult is randomly selected for a survey involving credit card usage. a) Find the prior probability that the selected person is a female. b) It is...

ANSWER ONLY LETTER A

Extracted text: In Orange County, 51% of the adults are males. One adult is randomly selected for a survey involving credit card usage. a) Find the prior probability that the selected person is a female. b) It is later learned that the selected survey subject was smoking a cigar. Also, 9.5% of males smoke cigars, whereas 1.7% of females smoke cigars (based on data from the Substance 4. Abuse and Mental Health Services Administration). Use this additional information to find the probability that the selected subject is a female.