Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: TIRES A mechanic check the tire pressures on each car that he worked on for one week. The random variable x represents the number of tires that were underinflated. Decide whether the distribution is a probability distribution. If it is not a probability distribution, identify the property (or properties) that are not satisfied. _X_ 0 1 2 3 4 _P(X)_ 0.30 0.25 0.25 0.15 0.05 : Yes, the distribution is a probability distribution.; The sumation of the random variable probabilities is not equal to 1.; One of the random variable probabilities is less than 0 or greater than 1.; No, the distribution is not a probability distribution.
Right answer summary: Yes, the distribution is a probability distribution.
Question state: todo