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Mathematics, 24.03.2020 05:59 homelanie21

Let the random variable X be the number of rooms in a randomly chosen owner-occupied housing unit in a certain city. The distribution for the units is given below.
X 3 4 5 6 7 8 9 10
P(X) 0.07 0.23 0.36 0.19 0.05 0.05 0.03 ?
(a) Is X a discrete or continuous random variable?
(b) What must be the probability of choosing a unit with 10 rooms?
(c) What is the probability that a unit chosen at random is not a 10-room unit?
(d) What is the probability that a unit chosen at random has less than five rooms?
(e) What is the probability that a unit chosen at random has three rooms?

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