2 65.9 प 2) The following discrete probability distribution gives the probability that a US household owns the given number of vehicles. 1 3 4 P(x) .09 .33 .36 .14 .05 .02 .01 gnilqmee a) Find P(x < 3) upinbenilqmse oie o gie alingodo om b) What is the probability that a household owns at least one vehicle? c) If three households are selected, what is the probability they all own exactly two vehicles? d) Find the mean number of cars households in the US own.

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