1.if the probabilities are 0.87,0.36 and 0.29 that a family,randomly chosen as part of a sample survey in Adentan,owns a color television set,a video cassette recorder or both,what is the probability that a family in this area will own one,or the other or or both kinds of sets?
2.The probability that a woman trying on a dress ask to have it altered is 0.65,the probability that she will ask to have it delivered to her home is 0.32 and the probability that she will ask to have both done is 0.21.what is the probability that a woman shopping in this store will ask :
I.either to have the dress altered or to have it delivered to her home.
II.neither to have it altered nor to have it delivered to her home.
1 answer
it's good and very applicable.
3 answers