Behaviour being used: Adaptive mode
Minimum fraction: 0
Question summary: PHONE LINES A company recorded the number of phone lines in use per hour during one work day. The random variable x represents the number of phone lines in use. 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 5 6 _P(X)_ 0.135 0.186 0.226 0.254 0.103 0.64 0.032 : Yes, the distribution is a probability distribution.; The probability of one random variable is less than or greater than 1.; The summation of the probability of the random variables is not equal to 1.; No, the distribution is not a probability distribution.
Right answer summary: The summation of the probability of the random variables is not equal to 1.; No, the distribution is not a probability distribution.
Question state: todo