Which of the following is FALSE about random variables? A. For a continuous random variable, the probability of the random variable taking on a specific value is always zero. B. A binomial random variable is a discrete random variable. C. SupposeX∼χ2(3). The distribution ofXis negatively skewed. D. Thetrandom variable is defined in terms of a sequence of normal random variable.

You and your friend carpool to school. Your friend has promised that he will come pick you up at your place at 8am, but he is always late(!) The amount of time he is late (in minutes) is a continuous Uniform random variable between 2 and 13 minutes. Which of the following statements is/are true? CHECK ALL THAT APPLY.A. The mean amount of time that your friend is late is 7.5 minutes.B. The standard deviation of the amount of time that your friend is late is at about 3.18 minutes.C. It is less likely that your friend is late for more than 12 minutes than he is late for less than 3 minutes.D. None of the above

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