joshua and jose work at an auto repair center with 6 other workers . for a survey on health care insurance , 2 of the 6 workers will be randomly chosen to be interviewed . what is the probability that joshua and jose will both be chosen ?
"two methods 1 ) probability of chosing josh first = 1 / 8 probability of chosing jose second = 1 / 7 total = 1 / 56 probability of chosing jose first = 1 / 8 probability of chosing josh second = 1 / 7 total = 1 / 56 final = 1 / 56 + 1 / 56 = 1 / 28 c"
divide(divide(factorial(6), multiply(factorial(2), factorial(6))), factorial(6))