4 20 points The Bureau of Labor Statistics estimates that 58 1 of the working age population in the United States are employed full time a 5 points We randomly select three individuals of working age What is the probability that the third person selected is the only one who is employed full time b 5 points What is the probability that all three randomly selected individuals are em ployed full time c 5 points On average how many individuals would you expect to sample before selecting one who is employed full time