In the us, 21% of households use a clothesline to dry their laundry. capucine would like to survey households that use a clothesline, so she plans to contact randomly selected us households until she finds ones that use one. let f be the number of households capucine contacts to reach the first household that uses a clothesline. find the mean and standard deviation of f. find the mean and standard deviation of f

answer: mean: 4.84
standard deviation: 4.24