If a variable can take certain integer values between two given points, then it is called O a. Probabilistic random variable O b. Continuous random variable O c. Discrete random variable O d. Deterministic random variable e. Uncertain random variable

Consider a discrete random variable X that can assume three values 1, 2, and k with respective probabilities 0.5, 0.25, and 0.3. If E(X) = 1.9, what is the value of k? Select one: а. 5 b. 2 с. 1 d. 3 e. 4

Part 1 of 6 Determine whether the following value is a continuous random variable, discrete random variable, or not a random variable. a. The number of light bulbs that burn out in the next year in a room with 13 bulbs b. The hair color of adults in the United States c. The number of pigeons in a country d. The time it takes for a light bulb to burn out e. The number of free-throw attempts before the first shot is missed f. The number of people in a restaurant that has a capacity of 150 ..... a. Is the number of light bulbs that burn out in the next year in a room with 13 bulbs a discrete random variable, continuous random variable, or not a O A. It is a discrete random variable. O B. It is a continuous random variable. O C. It is not a random variable.

13) A player spins two spinners. The outcome of each spinner is 1, 2, or 3. Each outcome is equally likely. Define the random variable X to be the maximum of the two numbers on the spinners. What is E[X]? a. 2/3 b. 5/3 c. 20/9